diff --git a/source/_components/panel_iframe.markdown b/source/_components/panel_iframe.markdown
index ba13cf6967b..9f79b38edb3 100644
--- a/source/_components/panel_iframe.markdown
+++ b/source/_components/panel_iframe.markdown
@@ -60,3 +60,4 @@ panel_iframe:
             type: icon
 {% endconfiguration %}
 
+<p class='note warning'>Do **not** create one that are named `lovelace` it will overwrite lovelace causing it to never load.</p>