diff --git a/ubuntu/erlking.silvestris.systems.yml b/ubuntu/erlking.silvestris.systems.yml
index 04fcf58..f54b0e2 100644
--- a/ubuntu/erlking.silvestris.systems.yml
+++ b/ubuntu/erlking.silvestris.systems.yml
@@ -217,7 +217,7 @@
             fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
             fastcgi_pass php;
           }
-        blockbots:
+      blockbots:
         - if ($http_user_agent ~* (thesis-research-bot|fidget-spinner-bot) ) {
             return 403;
           }