diff --git a/docs/source/distutils/apiref.rst b/docs/source/distutils/apiref.rst
--- a/docs/source/distutils/apiref.rst
+++ b/docs/source/distutils/apiref.rst
@@ -105,13 +105,14 @@ setup script). Indirectly provides the :
    |                    | directory names                |                                                             |
    +--------------------+--------------------------------+-------------------------------------------------------------+
    | *extra_path*       | Information about an           | a string, 1-tuple or 2-tuple                                |
-   |                    | intervening directory the      |                                                             |
-   |                    | install directory and the      |                                                             |
-   |                    | actual installation directory. |                                                             |
+   |                    | intervening directory to put   |                                                             |
+   |                    | between the install directory  |                                                             |
+   |                    | and the actual installation    |                                                             |
+   |                    | directory.                     |                                                             |
    |                    |                                |                                                             |
-   |                    | If the value is a string is is |                                                             |
-   |                    | treated as a comma-separated   |                                                             |
-   |                    | tuple.                         |                                                             |
+   |                    | If the value is a string it    |                                                             |
+   |                    | will be split on commas to     |                                                             |
+   |                    | produce a tuple.               |                                                             |
    |                    |                                |                                                             |
    |                    | If the value is a 2-tuple,     |                                                             |
    |                    | the first element is the       |                                                             |
@@ -119,7 +120,7 @@ setup script). Indirectly provides the :
    |                    | is the name of the intervening |                                                             |
    |                    | directory.                     |                                                             |
    |                    |                                |                                                             |
-   |                    | If the value is a 1-tuple that |                                                             |
+   |                    | If the value is a 1-tuple, that|                                                             |
    |                    | element is both the name of    |                                                             |
    |                    | the ``.pth`` file and the      |                                                             |
    |                    | intervening directory.         |                                                             |