fix test expected help contents output

Author: alanhamlett

tests/samples/output/test_help_contents

@@ -73,10 +73,10 @@ optional arguments:
                         Amount of offline activity to sync from your local
                         ~/.wakatime.db sqlite3 file to your WakaTime Dashboard
                         before exiting. Can be "none" or a positive integer
-                        number. Defaults to 5, meaning for every heartbeat
-                        sent while online 5 offline heartbeats are synced. Can
-                        be used without --entity to only sync offline activity
-                        without generating new heartbeats.
+                        number. Defaults to 100, meaning for every heartbeat
+                        sent while online, 100 offline heartbeats are synced.
+                        Can be used without --entity to only sync offline
+                        activity without generating new heartbeats.
   --today               Prints dashboard time for Today, then exits.
   --config FILE         Defaults to ~/.wakatime.cfg.
   --config-section SECTION