diff --git a/do.py b/do.py
index e1916d45..f7fe57fe 100644
--- a/do.py
+++ b/do.py
@@ -35,7 +35,7 @@
 USE_OPENAPIART_DIR = None
 USE_MODELS_DIR = None
 
-# supported values - branch name or None
+# supported values - branch name or None 
 USE_OPENAPIART_BRANCH = None
 USE_MODELS_BRANCH = "macsec"