fix missing quotes for exclude_rooms_from_sync (#17308)

We tried to configure rooms `exclude_rooms_from_sync`. If we do not
quote we get an error.
The example should be valid.

2 files changed, 2 insertions, 1 deletions

diff --git a/changelog.d/17308.doc b/changelog.d/17308.doc
new file mode 100644

index 0000000000..7ae080a684
--- /dev/null
+++ b/changelog.d/17308.doc
@@ -0,0 +1 @@
+Add missing quotes for example for `exclude_rooms_from_sync`.
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"
 ```
 
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