diff --git a/templates/documentation.html b/templates/documentation.html
index e3e026a..aa2722e 100644
--- a/templates/documentation.html
+++ b/templates/documentation.html
@@ -18,7 +18,7 @@
                 {"mode":"balance", "username":"{username}", "balance":"{balance}"}
         </p>
         <br></br>
-        <p>http://matekasse.server.c3h/api/change?id={user_id}?change={change}</p>
+        <p>http://matekasse.server.c3h/api/change?id={user_id}&?change={change}</p>
         <p>
             If change = None the change will be 1
         </p>