Added docstring

fsl/scripts/atlasq.py

@@ -738,8 +738,13 @@ def main(args=None):
     return 0
 
 def atlasquery_emulation(args=None):
+    """Entry point for ``atlasquery``. Runs as ``atlasq`` in ``ohi`` 
+    mode.
+    """
+    
     if args is None:
         args=sys.argv[1:]
+        
     return main(['ohi']+args)
 
 if __name__ == '__main__':