diff --git a/public/content/content.json b/public/content/content.json
index a5fe95438577263ca7f36e91b35b56cf7418d437..c37ff329686b97977395283a0846e859e2fd60ca 100644
--- a/public/content/content.json
+++ b/public/content/content.json
@@ -86,6 +86,9 @@
       "description_en":"This thesis aims to develop an outdoor mobile AR application that visualizes the urban environment using the mentioned grayscale masking filters.",
       "description_de":"This thesis aims to develop an outdoor mobile AR application that visualizes the urban environment using the mentioned grayscale masking filters."
     },
-    "refIndex": 5
+    "refIndex": 5,
+    "links": {
+      "youtube": ""
+    }
   }
 ]
\ No newline at end of file