Fix typo in REST path.

docs/en_us/platform_api/source/mobile/overview.rst

@@ -52,7 +52,7 @@ Mobile API User Resource
      - /api/mobile/v0.5/users/{username}/course_status_info/{course_id}
    * - :ref:`Change a user's status in a course<Get or Change User Status in a Course>`
      - PATCH
-     - /api/mobile/v0.5/rs/{username}/course_status_info/{course_id}
+     - /api/mobile/v0.5/users/{username}/course_status_info/{course_id}
 
 ========================================
 Mobile API Course Information Resource

docs/en_us/platform_api/source/read_me.rst

@@ -6,7 +6,7 @@ The edX Platform API documentation is created using RST_
 files and Sphinx_. You, the user community, can help update and revise this
 documentation project on GitHub:
 
-  https://github.com/edx/edx-platform/tree/master/docs/platforms_api/source
+  https://github.com/edx/edx-platform/tree/master/docs/en_us/platform_api/source
 
 To suggest a revision, fork the project, make changes in your fork, and submit
 a pull request back to the original project: this is known as the `GitHub Flow`_.