Fix bash-completion header

completion/bash-completion

@@ -1,7 +1,7 @@
 #!/bin/bash
 #
 # bash-completion - part of the FDroid server tools
-# Commits updates to apps, allowing you to edit the commit messages
+# Bash completion for the fdroid main tools
 #
 # Copyright (C) 2013, 2014 Daniel Martí <mvdan@mvdan.cc>
 #