diff --git a/ChangeLog b/ChangeLog
index 6d15f22f..1943d84c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2008-07-30  Nicolas François  <nicolas.francois@centraliens.net>
+
+	* src/groupmems.c: Fix the groupmems' usage message. The -D option
+	is in fact -p.
+
 2008-07-27  Nicolas François  <nicolas.francois@centraliens.net>
 
 	* src/groupmems.c: Replace an if test by an else.
diff --git a/src/groupmems.c b/src/groupmems.c
index 3c7facdc..48ed34fc 100644
--- a/src/groupmems.c
+++ b/src/groupmems.c
@@ -111,7 +111,7 @@ static void members (char **members)
 
 static void usage (void)
 {
-	(void) fputs (_("Usage: groupmems -a username | -d username | -D | -l [-g groupname]\n"), stderr);
+	(void) fputs (_("Usage: groupmems -a username | -d username | -p | -l [-g groupname]\n"), stderr);
 	fail_exit (EXIT_USAGE);
 }