*: --help text tweaks

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/coreutils/touch.c b/coreutils/touch.c
index d8a930f..2b225dd 100644
--- a/coreutils/touch.c
+++ b/coreutils/touch.c
@@ -35,7 +35,7 @@
 //usage:       IF_FEATURE_TOUCH_SUSV3(" [-d DATE] [-t DATE] [-r FILE]")
 //usage:       " FILE..."
 //usage:#define touch_full_usage "\n\n"
-//usage:       "Update mtime of FILE\n"
+//usage:       "Update mtime of FILEs\n"
 //usage:     "\n	-c	Don't create files"
 //usage:     "\n	-h	Don't follow links"
 //usage:	IF_FEATURE_TOUCH_SUSV3(