docs: Fix typos.

docs/src/reference/extension_types.rst

@@ -36,7 +36,7 @@ Attributes
 * Are fixed at compile time.
 
  * You can't add attributes to an extension type instance at run time like in normal Python.
- * You can sub-class the extenstion type in Python to add attributes at run-time.
+ * You can sub-class the extension type in Python to add attributes at run-time.
 
 * There are two ways to access extension type attributes:
 

docs/src/tutorial/numpy.rst

@@ -126,7 +126,7 @@ compatibility. Consider this code (*read the comments!*) ::
             raise ValueError("Only odd dimensions on filter supported")
         assert f.dtype == DTYPE and g.dtype == DTYPE
         # The "cdef" keyword is also used within functions to type variables. It
-        # can only be used at the top indendation level (there are non-trivial
+        # can only be used at the top indentation level (there are non-trivial
         # problems with allowing them in other places, though we'd love to see
         # good and thought out proposals for it).
         #

docs/src/userguide/numpy_tutorial.rst

@@ -263,7 +263,7 @@ compatibility. Here's :file:`convolve2.pyx`. *Read the comments!*  ::
             raise ValueError("Only odd dimensions on filter supported")
         assert f.dtype == DTYPE and g.dtype == DTYPE
         # The "cdef" keyword is also used within functions to type variables. It
-        # can only be used at the top indendation level (there are non-trivial
+        # can only be used at the top indentation level (there are non-trivial
         # problems with allowing them in other places, though we'd love to see
         # good and thought out proposals for it).
         #

docs/src/userguide/wrapping_CPlusPlus.rst

@@ -145,7 +145,7 @@ is then handled by ``cythonize()`` as follows::
    from Cython.Build import cythonize
 
    setup(ext_modules = cythonize(Extension(
-              "rect",                                # the extesion name
+              "rect",                                # the extension name
               sources=["rect.pyx", "Rectangle.cpp"], # the Cython source and
                                                      # additional C++ source files
               language="c++",                        # generate and compile C++ code