diff --git a/CLOBBER b/CLOBBER
index 3b6110bb2..1f24ed9cd 100644
--- a/CLOBBER
+++ b/CLOBBER
@@ -22,5 +22,5 @@
 # changes to stick? As of bug 928195, this shouldn't be necessary! Please
 # don't change CLOBBER for WebIDL changes any more.
 
-Clobber for incremental customElements v1 landing
+Clobber for NSS update