diff --git a/crtools.c b/crtools.c
index 26ebea5ff..ebab0521c 100644
--- a/crtools.c
+++ b/crtools.c
@@ -381,7 +381,8 @@ usage:
 "  -s|--leave-stopped    leave tasks in stopped state after checkpoint\n"
 "  -R|--leave-running    leave tasks in running state after checkpoint\n"
 "  -D|--images-dir DIR   directory for image files\n"
-"     --pidfile FILE     write a pid of a root task to this file\n"
+"     --pidfile FILE     write a pid of a root task, service or page-server\n"
+"                        to this file\n"
 "\n"
 "* Special resources support:\n"
 "  -x|--" USK_EXT_PARAM "      allow external unix connections\n"