diff --git a/front_end/elements/elements_strings.grdp b/front_end/elements/elements_strings.grdp
index 4e985e9536..95984522ad 100644
--- a/front_end/elements/elements_strings.grdp
+++ b/front_end/elements/elements_strings.grdp
@@ -232,7 +232,7 @@
     content
   </message>
   <message name="IDS_DEVTOOLS_a05fb8660778069f6d4a5c5b40a6dbc9" desc="Title of a setting under the Elements category in Settings">
-    Show user agent shadow DOM
+    Show <ph name="LOCKED_1">user agent shadow DOM</ph>
   </message>
   <message name="IDS_DEVTOOLS_a2f8f2d457d122dd0d135781187aef31" desc="Text in Styles Sidebar Pane of the Elements panel">
     Invalid property value