all: fix misprints in comments

These were found by grepping the comments from the go code and feeding
the output to aspell.

Change-Id: Id734d6c8d1938ec3c36bd94a4dbbad577e3ad395
Reviewed-on: https://go-review.googlesource.com/10941Reviewed-by: Aamir Khan <syst3m.w0rm@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

doc/devel/weekly.html

@@ -5971,7 +5971,7 @@ You can now check build status on various platforms at the Go Dashboard:
 * runtime: add SetFinalizer
 * time: Sleep through interruptions (thanks Chris Wedgwood)
 	add RFC822 formats
-	experimental implemenation of Ticker using two goroutines for all tickers
+	experimental implementation of Ticker using two goroutines for all tickers
 * xml: allow underscores in XML element names (thanks Michael Hoisie)
 	allow any scalar type in xml.Unmarshal
 </pre>

doc/go1.1.html

@@ -160,7 +160,7 @@ The GCC release schedule does not coincide with the Go release schedule, so some
 The 4.8.0 version of GCC shipped in March, 2013 and includes a nearly-Go 1.1 version of <code>gccgo</code>.
 Its library is a little behind the release, but the biggest difference is that method values are not implemented.
 Sometime around July 2013, we expect 4.8.2 of GCC to ship with a <code>gccgo</code>
-providing a complete Go 1.1 implementaiton.
+providing a complete Go 1.1 implementation.
 </p>
 
 <h3 id="gc_flag">Command-line flag parsing</h3>

src/cmd/asm/internal/asm/parse.go

@@ -736,7 +736,7 @@ func (p *Parser) registerNumber(name string) uint16 {
 }
 
 // Note: There are two changes in the expression handling here
-// compared to the old yacc/C implemenatations. Neither has
+// compared to the old yacc/C implementations. Neither has
 // much practical consequence because the expressions we
 // see in assembly code are simple, but for the record:
 //

src/cmd/compile/internal/gc/inl.go

@@ -772,7 +772,7 @@ func mkinlcall1(np **Node, fn *Node, isddd bool) {
 	inlgen++
 	body := inlsubstlist(fn.Func.Inl)
 
-	body = list(body, Nod(OGOTO, inlretlabel, nil)) // avoid 'not used' when function doesnt have return
+	body = list(body, Nod(OGOTO, inlretlabel, nil)) // avoid 'not used' when function doesn't have return
 	body = list(body, Nod(OLABEL, inlretlabel, nil))
 
 	typechecklist(body, Etop)

src/cmd/compile/internal/gc/order.go

@@ -490,7 +490,7 @@ func orderstmt(n *Node, order *Order) {
 
 	case OASOP:
 		// Special: rewrite l op= r into l = l op r.
-		// This simplies quite a few operations;
+		// This simplifies quite a few operations;
 		// most important is that it lets us separate
 		// out map read from map write when l is
 		// a map index expression.

src/cmd/compile/internal/gc/plive.go

@@ -585,7 +585,7 @@ func progeffects(prog *obj.Prog, vars []*Node, uevar Bvec, varkill Bvec, avarini
 				// If the result had its address taken, it is being tracked
 			// by the avarinit code, which does not use uevar.
 			// If we added it to uevar too, we'd not see any kill
-			// and decide that the varible was live entry, which it is not.
+			// and decide that the variable was live entry, which it is not.
 			// So only use uevar in the non-addrtaken case.
 			// The p->to.type == thearch.D_NONE limits the bvset to
 			// non-tail-call return instructions; see note above

src/cmd/compile/internal/gc/reflect.go

@@ -105,7 +105,7 @@ func lsort(l *Sig, f func(*Sig, *Sig) int) *Sig {
 	return l
 }
 
-// Builds a type respresenting a Bucket structure for
+// Builds a type representing a Bucket structure for
 // the given map type.  This type is not visible to users -
 // we include only enough information to generate a correct GC
 // program for it.
@@ -1234,7 +1234,7 @@ ok:
 			// a package that imports the first one and does use *T pointers.
 			// The second module will end up defining type data for *T and a
 			// type.*T symbol pointing at it. It's important that calling
-			// .PtrTo() on the refect.Type for T returns this type data and
+			// .PtrTo() on the reflect.Type for T returns this type data and
 			// not some synthesized object, so we need reflect to be able to
 			// find it!
 			if !Ctxt.Flag_dynlink {

src/cmd/compile/internal/gc/typecheck.go

@@ -2829,7 +2829,7 @@ func keydup(n *Node, hash map[uint32][]*Node) {
 	}
 	evconst(n)
 	if n.Op != OLITERAL {
-		return // we dont check variables
+		return // we don't check variables
 	}
 
 	var h uint32

src/cmd/go/build.go

@@ -2453,7 +2453,7 @@ func (tools gccgoToolchain) ld(b *builder, p *Package, out string, allactions []
 				apackagesSeen[a.p] = true
 				if a.p.fake && a.p.external {
 					// external _tests, if present must come before
-					// internal _tests. Store these on a seperate list
+					// internal _tests. Store these on a separate list
 					// and place them at the head after this loop.
 					xfiles = append(xfiles, a.target)
 				} else if a.p.fake {

src/cmd/internal/obj/arm/asm5.go

@@ -503,7 +503,7 @@ func asmoutnacl(ctxt *obj.Link, origPC int32, p *obj.Prog, o *Optab, out []uint3
 				break
 			} else {
 				// if a load/store instruction takes more than 1 word to implement, then
-				// we need to seperate the instruction into two:
+				// we need to separate the instruction into two:
 				// 1. explicitly load the address into R11.
 				// 2. load/store from R11.
 				// This won't handle .W/.P, so we should reject such code.

src/cmd/internal/rsc.io/arm/armasm/ext_test.go

@@ -216,7 +216,7 @@ func writeInst(generate func(func([]byte))) (file string, f *os.File, size int,
 
 var zeros = []byte{0, 0, 0, 0}
 
-// pad pads the code sequenc with pops.
+// pad pads the code sequence with pops.
 func pad(enc []byte) []byte {
 	if len(enc) < 4 {
 		enc = append(enc[:len(enc):len(enc)], zeros[:4-len(enc)]...)

src/cmd/internal/rsc.io/x86/x86asm/ext_test.go

@@ -225,7 +225,7 @@ var pops = []byte{
 	0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f,
 }
 
-// pad pads the code sequenc with pops.
+// pad pads the code sequence with pops.
 func pad(enc []byte) []byte {
 	return append(enc[:len(enc):len(enc)], pops...)
 }

src/cmd/link/internal/arm/asm.go

@@ -179,7 +179,7 @@ func adddynrel(s *ld.LSym, r *ld.Reloc) {
 			ld.Adddynsym(ld.Ctxt, targ)
 			rel := ld.Linklookup(ld.Ctxt, ".rel", 0)
 			ld.Addaddrplus(ld.Ctxt, rel, s, int64(r.Off))
-			ld.Adduint32(ld.Ctxt, rel, ld.ELF32_R_INFO(uint32(targ.Dynid), ld.R_ARM_GLOB_DAT)) // we need a nil + A dynmic reloc
+			ld.Adduint32(ld.Ctxt, rel, ld.ELF32_R_INFO(uint32(targ.Dynid), ld.R_ARM_GLOB_DAT)) // we need a nil + A dynamic reloc
 			r.Type = obj.R_CONST                                                               // write r->add during relocsym
 			r.Sym = nil
 			return

src/cmd/objdump/objdump_test.go

@@ -126,7 +126,7 @@ func TestDisasmExtld(t *testing.T) {
 	case "arm64":
 		t.Skipf("skipping on %s, issue 10106", runtime.GOARCH)
 	}
-	// TODO(jsing): Renable once openbsd/arm has external linking support.
+	// TODO(jsing): Reenable once openbsd/arm has external linking support.
 	if runtime.GOOS == "openbsd" && runtime.GOARCH == "arm" {
 		t.Skip("skipping on openbsd/arm, no support for external linking, issue 10619")
 	}

src/cmd/pprof/internal/profile/encode.go

@@ -162,7 +162,7 @@ var profileDecoder = []decoder{
 		pp.Location = append(pp.Location, x)
 		return decodeMessage(b, x)
 	},
-	// repeasted Function function = 5
+	// repeated Function function = 5
 	func(b *buffer, m message) error {
 		x := new(Function)
 		pp := m.(*Profile)

src/cmd/pprof/internal/svg/svg.go

@@ -17,7 +17,7 @@ var (
 	svgClose = regexp.MustCompile(`</svg>`)
 )
 
-// Massage enhances the SVG output from DOT to provide bettern
+// Massage enhances the SVG output from DOT to provide better
 // panning inside a web browser. It uses the SVGPan library, which is
 // included directly.
 func Massage(in bytes.Buffer) string {

src/cmd/yacc/testdata/expr/main.go

@@ -11,5 +11,5 @@
 //go:generate yacc -o expr.go -p "expr" expr.y
 
 // Expr is a simple expression evaluator that serves as a working example of
-// how to use Go's yacc implemenation.
+// how to use Go's yacc implementation.
 package main

src/crypto/rsa/rsa.go

@@ -129,7 +129,7 @@ type PrecomputedValues struct {
 	CRTValues []CRTValue
 }
 
-// CRTValue contains the precomputed chinese remainder theorem values.
+// CRTValue contains the precomputed Chinese remainder theorem values.
 type CRTValue struct {
 	Exp   *big.Int // D mod (prime-1).
 	Coeff *big.Int // R·Coeff ≡ 1 mod Prime.

src/crypto/tls/key_agreement.go

@@ -46,7 +46,7 @@ func (ka rsaKeyAgreement) processClientKeyExchange(config *Config, cert *Certifi
 	if !ok {
 		return nil, errors.New("tls: certificate private key does not implement crypto.Decrypter")
 	}
-	// Perform contant time RSA PKCS#1 v1.5 decryption
+	// Perform constant time RSA PKCS#1 v1.5 decryption
 	preMasterSecret, err := priv.Decrypt(config.rand(), ciphertext, &rsa.PKCS1v15DecryptOptions{SessionKeyLen: 48})
 	if err != nil {
 		return nil, err

src/debug/dwarf/entry.go

@@ -282,7 +282,7 @@ const (
 	// into the "line" section.
 	ClassLinePtr
 
-	// ClassLocListPtr repersents values that are an int64 offset
+	// ClassLocListPtr represents values that are an int64 offset
 	// into the "loclist" section.
 	ClassLocListPtr
 

src/encoding/csv/writer.go

@@ -125,7 +125,7 @@ func (w *Writer) WriteAll(records [][]string) (err error) {
 // CSV with quoted empty strings strictly less useful.
 // Not quoting the empty string also makes this package match the behavior
 // of Microsoft Excel and Google Drive.
-// For Postgres, quote the data termating string `\.`.
+// For Postgres, quote the data terminating string `\.`.
 func (w *Writer) fieldNeedsQuotes(field string) bool {
 	if field == "" {
 		return false

src/internal/trace/parser.go

@@ -454,7 +454,7 @@ func postProcessTrace(events []*Event) error {
 			g.evStart = ev
 			p.g = ev.G
 			if g.evCreate != nil {
-				// +1 because symblizer expects return pc.
+				// +1 because symbolizer expects return pc.
 				ev.Stk = []*Frame{&Frame{PC: g.evCreate.Args[1] + 1}}
 				g.evCreate = nil
 			}
@@ -701,7 +701,7 @@ const (
 	EvHeapAlloc      = 33 // memstats.heap_alloc change [timestamp, heap_alloc]
 	EvNextGC         = 34 // memstats.next_gc change [timestamp, next_gc]
 	EvTimerGoroutine = 35 // denotes timer goroutine [timer goroutine id]
-	EvFutileWakeup   = 36 // denotes that the revious wakeup of this goroutine was futile [timestamp]
+	EvFutileWakeup   = 36 // denotes that the previous wakeup of this goroutine was futile [timestamp]
 	EvCount          = 37
 )
 

src/net/file_test.go

@@ -156,7 +156,7 @@ var filePacketConnTests = []struct {
 
 	{net: "udp6", addr: "[::1]:0"},
 
-	// TODO(mikioh,bradfitz): renable once 10730 is fixed
+	// TODO(mikioh,bradfitz): reenable once 10730 is fixed
 	// {net: "ip4:icmp", addr: "127.0.0.1"},
 
 	{net: "unixgram", addr: "@gotest3/net"},

src/net/http/client_test.go

@@ -427,7 +427,7 @@ func TestJarCalls(t *testing.T) {
 	ts := httptest.NewServer(HandlerFunc(func(w ResponseWriter, r *Request) {
 		pathSuffix := r.RequestURI[1:]
 		if r.RequestURI == "/nosetcookie" {
-			return // dont set cookies for this path
+			return // don't set cookies for this path
 		}
 		SetCookie(w, &Cookie{Name: "name" + pathSuffix, Value: "val" + pathSuffix})
 		if r.RequestURI == "/" {

src/net/http/transport_test.go

@@ -510,7 +510,7 @@ func TestStressSurpriseServerCloses(t *testing.T) {
 
 	// Do a bunch of traffic from different goroutines. Send to activityc
 	// after each request completes, regardless of whether it failed.
-	// If these are too high, OS X exhausts its emphemeral ports
+	// If these are too high, OS X exhausts its ephemeral ports
 	// and hangs waiting for them to transition TCP states. That's
 	// not what we want to test.  TODO(bradfitz): use an io.Pipe
 	// dialer for this test instead?

src/net/internal/socktest/sys_windows.go

@@ -68,7 +68,7 @@ func (sw *Switch) Closesocket(s syscall.Handle) (err error) {
 	return nil
 }
 
-// Conenct wraps syscall.Connect.
+// Connect wraps syscall.Connect.
 func (sw *Switch) Connect(s syscall.Handle, sa syscall.Sockaddr) (err error) {
 	so := sw.sockso(s)
 	if so == nil {
@@ -97,7 +97,7 @@ func (sw *Switch) Connect(s syscall.Handle, sa syscall.Sockaddr) (err error) {
 	return nil
 }
 
-// ConenctEx wraps syscall.ConnectEx.
+// ConnectEx wraps syscall.ConnectEx.
 func (sw *Switch) ConnectEx(s syscall.Handle, sa syscall.Sockaddr, b *byte, n uint32, nwr *uint32, o *syscall.Overlapped) (err error) {
 	so := sw.sockso(s)
 	if so == nil {

src/net/sock_posix.go

@@ -52,7 +52,7 @@ func socket(net string, family, sotype, proto int, ipv6only bool, laddr, raddr s
 	// following applications:
 	//
 	// - An endpoint holder that opens a passive stream
-	//   connenction, known as a stream listener
+	//   connection, known as a stream listener
 	//
 	// - An endpoint holder that opens a destination-unspecific
 	//   datagram connection, known as a datagram listener

src/net/url/example_test.go

@@ -47,7 +47,7 @@ func ExampleURL_opaque() {
 	// Sending a literal '%' in an HTTP request's Path
 	req := &http.Request{
 		Method: "GET",
-		Host:   "example.com", // takes precendence over URL.Host
+		Host:   "example.com", // takes precedence over URL.Host
 		URL: &url.URL{
 			Host:   "ignored",
 			Scheme: "https",

src/os/exec/lp_windows_test.go

@@ -422,7 +422,7 @@ var commandTests = []commandTest{
 	},
 	// tests commands, like `a.exe`, with c.Dir set
 	{
-		// should not find a.exe in p, becasue LookPath(`a.exe`) will fail
+		// should not find a.exe in p, because LookPath(`a.exe`) will fail
 		files: []string{`p\a.exe`},
 		dir:   `p`,
 		arg0:  `a.exe`,

src/runtime/lfstack_test.go

@@ -30,7 +30,7 @@ func TestLFStack(t *testing.T) {
 	stack := new(uint64)
 	global = stack // force heap allocation
 
-	// Need to keep additional referenfces to nodes, the stack is not all that type-safe.
+	// Need to keep additional references to nodes, the stack is not all that type-safe.
 	var nodes []*MyNode
 
 	// Check the stack is initially empty.

src/runtime/mbitmap.go

@@ -355,7 +355,7 @@ func (h heapBits) setCheckmarked(size uintptr) {
 // Callers should call heapBitsBulkBarrier immediately after
 // calling memmove(p, src, size). This function is marked nosplit
 // to avoid being preempted; the GC must not stop the goroutine
-// betwen the memmove and the execution of the barriers.
+// between the memmove and the execution of the barriers.
 //
 // The heap bitmap is not maintained for allocations containing
 // no pointers at all; any caller of heapBitsBulkBarrier must first

src/runtime/mgc.go

@@ -322,7 +322,7 @@ type gcControllerState struct {
 	fractionalMarkTime int64
 
 	// idleMarkTime is the nanoseconds spent in idle marking
-	// during this cycle. This is udpated atomically throughout
+	// during this cycle. This is updated atomically throughout
 	// the cycle.
 	idleMarkTime int64
 

src/runtime/mgcmark.go

@@ -954,7 +954,7 @@ func gcmarknewobject_m(obj, size uintptr) {
 // stopped ensuring that any object encountered has their normal
 // mark bit set. To do this we use an orthogonal bit
 // pattern to indicate the object is marked. The following pattern
-// uses the upper two bits in the object's bounday nibble.
+// uses the upper two bits in the object's boundary nibble.
 // 01: scalar  not marked
 // 10: pointer not marked
 // 11: pointer     marked

src/runtime/mgcwork.go

@@ -308,7 +308,7 @@ func putfull(b *workbuf, entry int) {
 
 // getpartialorempty tries to return a partially empty
 // and if none are available returns an empty one.
-// entry is used to provide a brief histoy of ownership
+// entry is used to provide a brief history of ownership
 // using entry + xxx00000 to
 // indicating that two line numbers in the call chain.
 //go:nowritebarrier
@@ -328,7 +328,7 @@ func getpartialorempty(entry int) *workbuf {
 // putpartial puts empty buffers on the work.empty queue,
 // full buffers on the work.full queue and
 // others on the work.partial queue.
-// entry is used to provide a brief histoy of ownership
+// entry is used to provide a brief history of ownership
 // using entry + xxx00000 to
 // indicating that two call chain line numbers.
 //go:nowritebarrier

src/runtime/mheap.go

@@ -58,7 +58,7 @@ type mheap struct {
 	cachealloc            fixalloc // allocator for mcache*
 	specialfinalizeralloc fixalloc // allocator for specialfinalizer*
 	specialprofilealloc   fixalloc // allocator for specialprofile*
-	speciallock           mutex    // lock for sepcial record allocators.
+	speciallock           mutex    // lock for special record allocators.
 }
 
 var mheap_ mheap

src/runtime/netpoll.go

@@ -46,7 +46,7 @@ type pollDesc struct {
 	// in a lock-free way by all operations.
 	// NOTE(dvyukov): the following code uses uintptr to store *g (rg/wg),
 	// that will blow up when GC starts moving objects.
-	lock    mutex // protectes the following fields
+	lock    mutex // protects the following fields
 	fd      uintptr
 	closing bool
 	seq     uintptr // protects from stale timers and ready notifications

src/runtime/netpoll_solaris.go

@@ -32,7 +32,7 @@ import "unsafe"
 // Beside calling runtime·netpollopen, the networking code paths
 // will call runtime·netpollarm each time goroutines are interested
 // in doing network I/O. Because now we know what kind of I/O we
-// are interested in (reading/writting), we can call port_associate
+// are interested in (reading/writing), we can call port_associate
 // passing the correct type of event set (POLLIN/POLLOUT). As we made
 // sure to have already associated the file descriptor with the port,
 // when we now call port_associate, we will unblock the main poller

src/runtime/panic.go

@@ -411,7 +411,7 @@ func gopanic(e interface{}) {
 
 		// Mark defer as started, but keep on list, so that traceback
 		// can find and update the defer's argument frame if stack growth
-		// or a garbage collection hapens before reflectcall starts executing d.fn.
+		// or a garbage collection happens before reflectcall starts executing d.fn.
 		d.started = true
 
 		// Record the panic that is running the defer.

src/runtime/proc1.go

@@ -1960,7 +1960,7 @@ func exitsyscall(dummy int32) {
 
 	var exitTicks int64
 	if trace.enabled {
-		// Wait till traceGoSysBlock event is emited.
+		// Wait till traceGoSysBlock event is emitted.
 		// This ensures consistency of the trace (the goroutine is started after it is blocked).
 		for oldp != nil && oldp.syscalltick == _g_.m.syscalltick {
 			osyield()
@@ -2047,7 +2047,7 @@ func exitsyscallfast() bool {
 			ok = exitsyscallfast_pidle()
 			if ok && trace.enabled {
 				if oldp != nil {
-					// Wait till traceGoSysBlock event is emited.
+					// Wait till traceGoSysBlock event is emitted.
 					// This ensures consistency of the trace (the goroutine is started after it is blocked).
 					for oldp.syscalltick == _g_.m.syscalltick {
 						osyield()
@@ -2695,7 +2695,7 @@ func procresize(nprocs int32) *p {
 				traceProcStop(p)
 			}
 		}
-		// move all runable goroutines to the global queue
+		// move all runnable goroutines to the global queue
 		for p.runqhead != p.runqtail {
 			// pop from tail of local queue
 			p.runqtail--

src/runtime/race/testdata/select_test.go

@@ -236,7 +236,7 @@ func TestRaceSelect4(t *testing.T) {
 // there are two variables, access to one
 // of them is synchronized, access to the other
 // is not.
-// Select must (unconditionaly) choose the non-synchronized variable
+// Select must (unconditionally) choose the non-synchronized variable
 // thus causing exactly one race.
 // Currently this test doesn't look like it accomplishes
 // this goal.

src/runtime/runtime2.go

@@ -27,7 +27,7 @@ const (
 	// the following encode that the GC is scanning the stack and what to do when it is done
 	_Gscan = 0x1000 // atomicstatus&~Gscan = the non-scan state,
 	// _Gscanidle =     _Gscan + _Gidle,      // Not used. Gidle only used with newly malloced gs
-	_Gscanrunnable = _Gscan + _Grunnable //  0x1001 When scanning complets make Grunnable (it is already on run queue)
+	_Gscanrunnable = _Gscan + _Grunnable //  0x1001 When scanning completes make Grunnable (it is already on run queue)
 	_Gscanrunning  = _Gscan + _Grunning  //  0x1002 Used to tell preemption newstack routine to scan preempted stack.
 	_Gscansyscall  = _Gscan + _Gsyscall  //  0x1003 When scanning completes make it Gsyscall
 	_Gscanwaiting  = _Gscan + _Gwaiting  //  0x1004 When scanning completes make it Gwaiting
@@ -237,7 +237,7 @@ type g struct {
 	preempt      bool // preemption signal, duplicates stackguard0 = stackpreempt
 	paniconfault bool // panic (instead of crash) on unexpected fault address
 	preemptscan  bool // preempted g does scan for gc
-	gcworkdone   bool // debug: cleared at begining of gc work phase cycle, set by gcphasework, tested at end of cycle
+	gcworkdone   bool // debug: cleared at beginning of gc work phase cycle, set by gcphasework, tested at end of cycle
 	gcscanvalid  bool // false at start of gc cycle, true if G has not run since last scan
 	throwsplit   bool // must not split stack
 	raceignore   int8 // ignore race detection events

src/runtime/slice.go

@@ -83,7 +83,7 @@ func growslice(t *slicetype, old slice, n int) slice {
 		memmove(p, old.array, lenmem)
 		memclr(add(p, lenmem), capmem-lenmem)
 	} else {
-		// Note: can't use rawmem (which avoids zeroing of memory), because then GC can scan unitialized memory.
+		// Note: can't use rawmem (which avoids zeroing of memory), because then GC can scan uninitialized memory.
 		p = newarray(et, uintptr(newcap))
 		if !writeBarrierEnabled {
 			memmove(p, old.array, lenmem)

src/runtime/sqrt_test.go

@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // A copy of Sqrt tests from the math package to test the
-// purely integer arithmetic implementaiton in sqrt.go.
+// purely integer arithmetic implementation in sqrt.go.
 
 package runtime_test
 

src/runtime/sys_nacl_386.s

@@ -322,7 +322,7 @@ ret:
 	// Enable exceptions again.
 	NACL_SYSCALL(SYS_exception_clear_flag)
 
-	// NaCl has abidcated its traditional operating system responsibility
+	// NaCl has abdicated its traditional operating system responsibility
 	// and declined to implement 'sigreturn'. Instead the only way to return
 	// to the execution of our program is to restore the registers ourselves.
 	// Unfortunately, that is impossible to do with strict fidelity, because

src/syscall/dll_windows.go

@@ -55,7 +55,7 @@ func LoadDLL(name string) (dll *DLL, err error) {
 	return d, nil
 }
 
-// MustLoadDLL is like LoadDLL but panics if load operation failes.
+// MustLoadDLL is like LoadDLL but panics if load operation fails.
 func MustLoadDLL(name string) *DLL {
 	d, e := LoadDLL(name)
 	if e != nil {

src/syscall/mksyscall_windows.go

@@ -627,7 +627,7 @@ func (src *Source) DLLs() []string {
 	return r
 }
 
-// ParseFile adds adition file path to a source set src.
+// ParseFile adds additional file path to a source set src.
 func (src *Source) ParseFile(path string) error {
 	file, err := os.Open(path)
 	if err != nil {

src/syscall/route_bsd.go

@@ -58,7 +58,7 @@ func parseSockaddrLink(b []byte) (*SockaddrDatalink, error) {
 // parseLinkLayerAddr parses b as a datalink socket address in
 // conventional BSD kernel form.
 func parseLinkLayerAddr(b []byte) (*SockaddrDatalink, int, error) {
-	// The encoding looks like the follwoing:
+	// The encoding looks like the following:
 	// +----------------------------+
 	// | Type             (1 octet) |
 	// +----------------------------+