diff --git a/admin_manual/installation/installation_source.rst b/admin_manual/installation/installation_source.rst
index cd5c22b91..536d16d3a 100644
--- a/admin_manual/installation/installation_source.rst
+++ b/admin_manual/installation/installation_source.rst
@@ -425,7 +425,7 @@ Nginx Configuration
                 access_log off;
             }
 
-            location ~ ^/(?:\.|data|config|db_structure\.xml|README) {
+            location ~ ^/(?:\.htaccess|data|config|db_structure\.xml|README) {
                     deny all;
             }