1 files changed, 2 insertions, 0 deletions
diff --git a/posix-modules b/posix-modules
index 81e431f9e7..5bb29f0027 100755
--- a/posix-modules
+++ b/posix-modules
@@ -26,6 +26,8 @@ func_usage ()
   echo "\
 Usage: posix-modules
 
+Lists the gnulib modules that implement POSIX interfaces.
+
 Report bugs to <bug-gnulib@gnu.org>."
 }