diff --git a/manifests/wiki-conf-main.yaml b/manifests/wiki-conf-main.yaml
index 511abd3..d1ba136 100644
--- a/manifests/wiki-conf-main.yaml
+++ b/manifests/wiki-conf-main.yaml
@@ -240,4 +240,6 @@ data:
     
     # End of automatically generated settings.
     # Add more configuration options below.
-    $wgShowExceptionDetails = true;
\ No newline at end of file
+    $wgShowExceptionDetails = true;
+
+    $wgReadOnly = 'This wiki is currently undergoing maintenance. Please try again later.';
\ No newline at end of file