diff --git a/extensions/lang-english/locale/core.yml b/extensions/lang-english/locale/core.yml
index 4abc1fb58..7c27c76ae 100644
--- a/extensions/lang-english/locale/core.yml
+++ b/extensions/lang-english/locale/core.yml
@@ -347,6 +347,7 @@ core:
 
   # Strings in this namespace are used in basic HTML interface.
   basic:
+    loading_text: "Loading..."
     load_error_message: Something went wrong while trying to load the full version of this site.
     javascript_disabled_message: This site is best viewed in a modern browser with JavaScript enabled.
     next_page_button: Next Page