diff --git a/appdoc/doc_gateway_architecture_overview.md b/appdoc/doc_gateway_architecture_overview.md
index e74b906..a68c9d0 100644
--- a/appdoc/doc_gateway_architecture_overview.md
+++ b/appdoc/doc_gateway_architecture_overview.md
@@ -64,7 +64,7 @@ flowchart LR
 
   %% Service Center
   subgraph ServiceCenter[gateway/modules/services/__init__.py]
-    SC[Services registry/factory\n(PublicService wrappers)]
+    SC[Services registry/factory<br/>(PublicService wrappers)]
   end
 
   %% Services