docs: Fix typos.

docs/src/reference/compilation.rst

@@ -415,7 +415,7 @@ Configurable optimisations
 ``optimize.unpack_method_calls`` (True / False)
     Cython can generate code that optimistically checks for Python method objects
     at call time and unpacks the underlying function to call it directly.  This
-    can substantially speed up method calls, especially for bultins, but may also
+    can substantially speed up method calls, especially for builtins, but may also
     have a slight negative performance impact in some cases where the guess goes
     completely wrong.
     Disabling this option can also reduce the code size.  Default is True.

docs/src/reference/extension_types.rst

@@ -314,11 +314,11 @@ Subclassing
  * If the base type is a built-in type, it must have been previously declared as an ``extern`` extension type.
  * ``cimport`` can be used to import the base type, if the extern declared base type is in a ``.pxd`` definition file.
 
- * In Cython, multiple inheritance is not permitted.. singlular inheritance only
+ * In Cython, multiple inheritance is not permitted.. singular inheritance only
 
-* Cython extenstion types can also be sub-classed in Python.
+* Cython extension types can also be sub-classed in Python.
 
- * Here multiple inhertance is permissible as is normal for Python.
+ * Here multiple inheritance is permissible as is normal for Python.
  * Even multiple extension types may be inherited, but C-layout of all the base classes must be compatible.
 
 
@@ -448,7 +448,7 @@ External
         print "Imag:", c.cval.imag
 
 .. note:: Some important things in the example:
-    #. ``ctypedef`` has been used because Python's header file has the struct decalared with::
+    #. ``ctypedef`` has been used because Python's header file has the struct declared with::
 
         ctypedef struct {
         ...

docs/src/tutorial/profiling_tutorial.rst

@@ -164,7 +164,7 @@ write a short script to profile our code::
 
 Running this on my box gives the following output::
 
-   TODO: how to display this not as code but verbatimly? 
+   TODO: how to display this not as code but verbatim?
 
    Sat Nov  7 17:40:54 2009    Profile.prof
 

docs/src/userguide/extension_types.rst

@@ -649,7 +649,7 @@ When you declare::
 
 the name Spam serves both these roles. There may be other names by which you
 can refer to the constructor, but only Spam can be used as a type name. For
-example, if you were to explicity import MyModule, you could use
+example, if you were to explicitly import MyModule, you could use
 ``MyModule.Spam()`` to create a Spam instance, but you wouldn't be able to use
 :class:`MyModule.Spam` as a type name.
 

docs/src/userguide/parallelism.rst

@@ -94,7 +94,7 @@ It currently supports OpenMP, but later on more backends might be supported.
 
     The ``chunksize`` argument indicates the chunksize to be used for dividing the iterations among threads.
     This is only valid for ``static``, ``dynamic`` and ``guided`` scheduling, and is optional. Different chunksizes
-    may give substatially different performance results, depending on the schedule, the load balance it provides,
+    may give substantially different performance results, depending on the schedule, the load balance it provides,
     the scheduling overhead and the amount of false sharing (if any).
 
     Example with a reduction::

docs/src/userguide/wrapping_CPlusPlus.rst

@@ -166,7 +166,7 @@ version 0.17, Cython also allows to pass external source files into the
 
 And in the .pyx source file, write this into the first comment block, before
 any source code, to compile it in C++ mode and link it statically against the
-:file:`Rectange.cpp` code file::
+:file:`Rectangle.cpp` code file::
 
    # distutils: language = c++
    # distutils: sources = Rectangle.cpp