diff --git a/README.md b/README.md
index d61536f..413d603 100644
--- a/README.md
+++ b/README.md
@@ -120,7 +120,7 @@ gateway:
     # Example of a route | 1
     - name: Public
       # host Domain/host based request routing
-      host: ""
+      host: "" # Host is optional
       path: /public
       ## Rewrite a request path
       # e.g rewrite: /store to /
diff --git a/goma.yml b/goma.yml
index 5283d7f..7abc163 100644
--- a/goma.yml
+++ b/goma.yml
@@ -41,7 +41,7 @@ gateway:
     # Example of a route | 1
     - name: Public
     # host Domain/host based request routing
-      host: ""
+      host: "" # Host is optional
       path: /public
       ## Rewrite a request path
       # e.g rewrite: /store to /