commit 527b3bd8dd55bd6aeb2a6eaf4efaa19562a7093a
from: Marcel Rodrigues <marcelgmr@gmail.com>
date: Sat Jun 06 18:08:33 2015 UTC

Minor changes in comment.

commit - 4167d62b8f987c4ca550981e3aa66d65dcb6542e
commit + 527b3bd8dd55bd6aeb2a6eaf4efaa19562a7093a
blob - 992c0c10944e12b3c6a3eb6ffd4fb6b6530ced1d
blob + a63da4b26c2226f46c4b26ca4c7fb87edf896c6b
--- rover.c
+++ rover.c
@@ -249,8 +249,8 @@ sync_signals()
     }
 }
 
-/* This function should be used in place of getch().
- * It handles signals while waiting for user input. */
+/* This function must be used in place of getch().
+   It handles signals while waiting for user input. */
 static int
 rover_getch()
 {