Update overview.rst

Fix typo

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

@@ -4,7 +4,7 @@
 Mobile API Overview
 ################################################
 
-Use the eMobile API to build mobile applications for students to
+Use the Mobile API to build mobile applications for students to
 view course information and videos for courses on your instance of Open edX.
 
 ******************************************
@@ -37,4 +37,4 @@ With the Mobile API, you can complete these tasks.
 
 * Get :ref:`videos<Get the Video List>` and :ref:`transcripts<Get a Video
   Transcript>` for courses the user is enrolled in.
-  
\ No newline at end of file
+