diff --git a/lib.c b/lib.c
index 7e44b1f..be093e8 100644
--- a/lib.c
+++ b/lib.c
@@ -165,7 +165,7 @@ char *fd2devnm(int fd)
 
 /* When we create a new array, we don't want the content to
  * be immediately examined by udev - it is probably meaningless.
- * So create /run/mdadm/creating-FOO and expect that a udev
+ * So create /run/mdadm/creating-mdXXX and expect that a udev
  * rule will noticed this and act accordingly.
  */
 static char block_path[] = "/run/mdadm/creating-%s";
diff --git a/udev-md-raid-creating.rules b/udev-md-raid-creating.rules
index 2be466b..9bef8d1 100644
--- a/udev-md-raid-creating.rules
+++ b/udev-md-raid-creating.rules
@@ -4,4 +4,4 @@
 # the array is not "ready" and we should make sure the
 # content is ignored.
 
-KERNEL=="md*", TEST="/run/mdadm/creating-$kernel", ENV{SYSTEMD_READY}="0"
+KERNEL=="md*", TEST=="/run/mdadm/creating-$kernel", ENV{SYSTEMD_READY}="0"