diff --git a/app/helper.py b/app/helper.py
index dfb37e8..29918c0 100644
--- a/app/helper.py
+++ b/app/helper.py
@@ -11,6 +11,8 @@ def find_one_or_404(collection, **kwargs):
 
       .. code-block:: python
 
+          usercollection = mydb['usercollection']
+      
           @app.route("/user/<username>")
           def user_profile(username):
               userfound = find_one_or_404(usercollection, {"_id": username})