1 files changed, 1 insertions, 1 deletions

diff --git a/docs/usage/configuration/config_documentation.md b/docs/usage/configuration/config_documentation.md

index d23f8c4c4f..22c545359d 100644
--- a/docs/usage/configuration/config_documentation.md
+++ b/docs/usage/configuration/config_documentation.md
@@ -4150,7 +4150,7 @@ By default, no room is excluded.
 Example configuration:
 ```yaml
 exclude_rooms_from_sync:
-    - !foo:example.com
+    - "!foo:example.com"
 ```
 
 ---