diff --git a/psGrammar/tasks/carrymyluggage/commands.jsgf b/psGrammar/tasks/carrymyluggage/commands.jsgf
index 4a24dd7b3f5961da3c22c9871bee3f9a98af11ed..8fb7b2235fbb67801288f36c22311a7a95cb1a40 100644
--- a/psGrammar/tasks/carrymyluggage/commands.jsgf
+++ b/psGrammar/tasks/carrymyluggage/commands.jsgf
@@ -5,11 +5,11 @@ public <statement> = <command>;
 
 <robot> = (tobi | robot | tiago);
 
-<command> = [<robot>] ( <followMe> | <arrived> | <goAhead> ) [<robot>];
+<command> = [<robot>] ( <followMe> | <arrived> | <goBack> ) [<robot>];
 
-<goAhead> = ( go ahead ); 
+<goBack> = ( [thanks you can] go back [now] );
 
-<followMe> = ((follow | come with ) me [to the <place>]);
+<followMe> = [please] ((follow | come with ) me [to the <place>]);
 
 <arrived> = ((stop [(here | following me)]) | (wait here) | (we arrived [ at the <place>]) );