Make usage messages given by -h and man pages consistent for the scripts.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@10756 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/callgrind/callgrind_annotate.in b/callgrind/callgrind_annotate.in
index 60ecde0..5f7393d 100644
--- a/callgrind/callgrind_annotate.in
+++ b/callgrind/callgrind_annotate.in
@@ -196,7 +196,7 @@
 
 # Usage message.
 my $usage = <<END
-usage: callgrind_annotate [options] [data-file [source-files]]
+usage: callgrind_annotate [options] [callgrind-out-file [source-files...]]
 
   options for the user, with defaults in [ ], are:
     -h --help             show this message