diff --git a/data/core.yaml b/data/core.yaml
index 3511370ef..fcd90f03f 100644
--- a/data/core.yaml
+++ b/data/core.yaml
@@ -375,7 +375,7 @@ en:
     google: "Share on Google+"
     help_html: Your changes should appear in the "Standard" layer in a few minutes. Other layers, and certain features, may take longer.
     help_link_text: Details
-    help_link_url: https://wiki.openstreetmap.org/wiki/FAQ#I_have_just_made_some_changes_to_the_map._How_do_I_get_to_see_my_changes.3F
+    help_link_url: "https://wiki.openstreetmap.org/wiki/FAQ#I_have_just_made_some_changes_to_the_map._How_do_I_get_to_see_my_changes.3F"
   confirm:
     okay: "Okay"
     cancel: "Cancel"