diff --git a/web_atoms/local_names.txt b/web_atoms/local_names.txt
index 77859eaa..366cee0f 100644
--- a/web_atoms/local_names.txt
+++ b/web_atoms/local_names.txt
@@ -794,6 +794,9 @@ pointsAtY
 pointsAtZ
 polygon
 polyline
+popover
+popovertarget
+popovertargetaction
 poster
 power
 pre