runuser: add note about PAM to man page

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/login-utils/runuser.1 b/login-utils/runuser.1
index 66ad1c48f42d126aa03062141b2c07f8a19e4b68..1f2140823c44138b9f479e76c9b516e158547a1f 100644 (file)
--- a/login-utils/runuser.1
+++ b/login-utils/runuser.1
@@ -13,7 +13,8 @@ and
 .B su
 is that
 .B runuser
-does not ask for password, because it may be executed by root user only.
+does not ask for password (because it may be executed by root user only) and
+it uses a different PAM configuration.
 The command
 .B runuser
 does not have to be installed with suid permissions.