[release-branch.go1] doc/go_spec: fix typo

««« backport d10b521f63d1
doc/go_spec: fix typo

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/5990043

»»»

doc/go_spec.html

@@ -5401,7 +5401,7 @@ type ArbitraryType int  // shorthand for an arbitrary Go type; it is not a real
 type Pointer *ArbitraryType
 
 func Alignof(variable ArbitraryType) uintptr
-func Offsetof(selector ArbitraryType) uinptr
+func Offsetof(selector ArbitraryType) uintptr
 func Sizeof(variable ArbitraryType) uintptr
 </pre>