diff --git a/objects/microblog/definition.json b/objects/microblog/definition.json
index 906a03c..847fceb 100644
--- a/objects/microblog/definition.json
+++ b/objects/microblog/definition.json
@@ -30,7 +30,7 @@
       ]
     },
     "username": {
-      "description": "Username who posted the microblog post",
+      "description": "Username who posted the microblog post (without the @ prefix)",
       "ui-priority": 0,
       "misp-attribute": "text"
     },
@@ -62,7 +62,7 @@
       "misp-attribute": "text"
     }
   },
-  "version": 4,
+  "version": 5,
   "description": "Microblog post like a Twitter tweet or a post on a Facebook wall.",
   "meta-category": "misc",
   "uuid": "8ec8c911-ddbe-4f5b-895b-fbff70c42a60",