Make doc clearer about Airflow Variables using Environment Variables (a…

…pache#8427) (cherry picked from commit fa262c1)
cfei18 · Mar 5, 2021 · ca3e537 · ca3e537
1 parent e9e0047
commit ca3e537
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/docs/concepts.rst b/docs/concepts.rst
@@ -676,6 +676,8 @@ You can use them in your DAGs as:
 
     Single underscores surround ``VAR``.  This is in contrast with the way ``airflow.cfg``
     parameters are stored, where double underscores surround the config section name.
+    Variables set using Environment Variables would not appear in the Airflow UI but you will
+    be able to use it in your DAG file.
 
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