diff --git a/aur.py b/aur.py
index cf71fc5..53be603 100644
--- a/aur.py
+++ b/aur.py
@@ -112,6 +112,7 @@ def main():
 
     if params['use'] == 'auto':
         use = 'internal'
+        # select the first helper for which the bin is found
         for k in use_cmd:
             if module.get_bin_path(k, False):
                 use = k