diff --git a/README.md b/README.md
index 6b73a11..b60f0e2 100644
--- a/README.md
+++ b/README.md
@@ -27,12 +27,13 @@ classDiagram
         +Person BuildCitizens()
     }
 
-    class ITownBuilder
+    class ITownBuilder {
         <<interface>>
         +ITownBuilder AddGunStore()
         +ITownBuilder AddEggStore()
         +ITownBuilder AddBank()
         +List~Location~ BuildTown();
+    }
 
     class Gun {
         +string Name