diff --git a/index.html b/index.html
index bd551fd8..f7f88529 100644
--- a/index.html
+++ b/index.html
@@ -1609,7 +1609,7 @@ <h2>
           <dfn>languageCode</dfn> attribute
         </h2>
         <p>
-          This is the BCP-47 language code for the address. It's used to
+          This is the [[!BCP47]] language code for the address. It's used to
           determine the field separators and the order of fields when
           formatting the address for display.
         </p>