diff --git a/doc/api/schemas/_metacode.json b/doc/api/schemas/_metacode.json
index cc6b4f76..2001be8e 100644
--- a/doc/api/schemas/_metacode.json
+++ b/doc/api/schemas/_metacode.json
@@ -12,6 +12,7 @@
       "type": "string"
     },
     "icon": {
+      "format": "uri",
       "type": "string"
     }
   },
diff --git a/doc/api/schemas/_user.json b/doc/api/schemas/_user.json
index e5805251..ee2ef14f 100644
--- a/doc/api/schemas/_user.json
+++ b/doc/api/schemas/_user.json
@@ -9,6 +9,7 @@
       "type": "string"
     },
     "avatar": {
+      "format": "uri",
       "type": "string"
     },
     "generation": {