auto

assign4.md

@@ -20,7 +20,7 @@ running version of this app:
 
 ## Tasks
 
-They overall task is to build a cycle-tracking application that uses the GPS
+The overall task is to build a cycle-tracking application using the GPS
 receiver built in to your phone to record a track of positions that can later
 be loaded and viewed. Save your recorded tracks to a file with extension
 `.gpx436`. Clicking on a saved track in the document browser results in the