diff --git a/Documentation/Installation/Setup.rst b/Documentation/Installation/Setup.rst
index 2469e0b8..6201c885 100644
--- a/Documentation/Installation/Setup.rst
+++ b/Documentation/Installation/Setup.rst
@@ -85,7 +85,7 @@ features.
 ..  code-block:: yaml
     :caption: .ddev/config.yaml
 
-    environment:
+    web_environment:
       - TYPO3_CONTEXT=Development/DDEV
 
 Restart DDEV to apply the changes: