diff --git a/config.kdl b/config.kdl
index 79f1fdf..467fd9d 100644
--- a/config.kdl
+++ b/config.kdl
@@ -248,7 +248,7 @@ auto_layout false
 // Options:
 //   - true
 //   - false (default)
-// serialize_pane_viewport true
+serialize_pane_viewport true
 
 // Scrollback lines to serialize along with the pane viewport when serializing sessions, 0
 // defaults to the scrollback size. If this number is higher than the scrollback size, it will