shutdown: add link to root storage daemon text

diff --git a/src/shutdown.c b/src/shutdown.c
index 46b5aea1c80d940b385db0ccb9264fbfb6881e93..d157e0fbfeaf4db91cea33666f9e2ab5c59c3633 100644 (file)
--- a/src/shutdown.c
+++ b/src/shutdown.c
@@ -81,7 +81,9 @@ static bool ignore_proc(pid_t pid) {
                 return true;
 
         /* Processes with argv[0][0] = '@' we ignore from the killing
-         * spree. */
+         * spree.
+         *
+         * http://www.freedesktop.org/wiki/Software/systemd/RootStorageDaemons */
         if (count == 1 && c == '@')
                 return true;