diff --git a/source b/source
index e388e064e6f..45bc1a6e1c4 100644
--- a/source
+++ b/source
@@ -3203,7 +3203,7 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
node document concept
document type concept
host concept
- The shadow root concept, and its delegates focus, available to element internals, clonable, serializable, custom element registry, and keep custom element registry null.
+ The shadow root concept, and its delegates focus, available to element internals, clonable, serializable, custom element registry, and keep custom element registry null.
The shadow host concept
HTMLCollection
interface, its