Removed extra 'query' in docs/advanced line 177

docs/advanced.rst

@@ -174,7 +174,7 @@ will return all completed workflows that have name *The coffee workflow*. The
 empty selection means that no firework and no firework updates are selected.
 This query is started with the command:: 
 
-  lpad_query -o yaml query -f query_sample_1.yaml
+  lpad_query -o yaml -f query_sample_1.yaml
 
 If, supposed, we have one workflow with that name and it is completed the output
 is::