diff --git a/src/99-systemd.rules b/src/99-systemd.rules
index 95a91ec174..3f48d68ba2 100644
--- a/src/99-systemd.rules
+++ b/src/99-systemd.rules
@@ -13,7 +13,7 @@ KERNEL=="ttyS*", TAG="systemd"
 SUBSYSTEM=="block", KERNEL!="ram*|loop*", TAG="systemd"
 
 # DM finds it funny to create additional device nodes, we need to
-merge them here, so that we recognize identical devices.
+# merge them here, so that we recognize identical devices.
 SUBSYSTEM=="block", ENV{DM_NAME}!="", ENV{SYSTEMD_ALIAS}="/dev/mapper/$env{DM_NAME}"
 
 # We need a hardware independent way to identify network devices. We