diff --git a/aio/content/navigation.json b/aio/content/navigation.json
index cc80b5cd4d..5c40dc968f 100644
--- a/aio/content/navigation.json
+++ b/aio/content/navigation.json
@@ -631,6 +631,11 @@
               "url": "guide/creating-libraries",
               "title": "Creating Libraries",
               "tooltip": "Extend Angular by creating, publishing, and using your own libraries."
+            },
+            {
+              "url": "guide/lightweight-injection-tokens",
+              "title": "Lightweight Injection Tokens for Libraries",
+              "tooltip": "Optimize client app size by designing library services with lightweight injection tokens."
             }
           ]
         },