diff --git a/docs/quickstart/extra-route.md b/docs/quickstart/extra-route.md
index e03019c..e6267d5 100644
--- a/docs/quickstart/extra-route.md
+++ b/docs/quickstart/extra-route.md
@@ -16,7 +16,23 @@ When dealing with many routes, maintaining them in one file can quickly become u
 
 Example of an extra route
 
-Create a file using `yaml` or `.yaml` extensions
+Defined an extra route path in `gateway` section as shown below.
+
+```yaml
+version: 1.0
+gateway:
+  ...
+  ## Add additional routes
+  extraRoutes:
+    # path
+    directory: /etc/goma/extra
+    watch: false
+  routes:
+    - path: /
+      name: example
+```
+
+Create a file in `/etc/goma/extra` using `yaml` or `.yaml` extension.
 
 ```yaml
  routes:
diff --git a/docs/quickstart/gateway.md b/docs/quickstart/gateway.md
index e72d1d3..e8db1e7 100644
--- a/docs/quickstart/gateway.md
+++ b/docs/quickstart/gateway.md
@@ -64,11 +64,6 @@ gateway:
   accessLog: /dev/Stdout
   errorLog: /dev/stderr
   logLevel: info
-  ## Add additional routes
-  extraRoutes:
-    # path
-    directory: /etc/goma/extra
-    watch: true
   disableRouteHealthCheckError: false
   disableDisplayRouteOnStart: false
   disableKeepAlive: false
@@ -85,5 +80,10 @@ gateway:
       Access-Control-Allow-Credentials: "true"
       Access-Control-Allow-Headers: Origin, Authorization, Accept, Content-Type, Access-Control-Allow-Headers, X-Client-Id, X-Session-Id
       Access-Control-Max-Age: "1728000"
+  ## Add additional routes
+  extraRoutes:
+    # path
+    directory: /etc/goma/extra
+    watch: true
   routes: []
 ```
\ No newline at end of file
diff --git a/internal/gateway_type.go b/internal/gateway_type.go
index f3e55a3..dd04ec7 100644
--- a/internal/gateway_type.go
+++ b/internal/gateway_type.go
@@ -34,11 +34,11 @@ type Gateway struct {
 	// RateLimit Defines the number of request peer minutes
 	RateLimit int `yaml:"rateLimit" env:"GOMA_RATE_LIMIT, overwrite"`
 	// BlockCommonExploits enable, disable block common exploits
-	BlockCommonExploits bool             `yaml:"blockCommonExploits"`
-	AccessLog           string           `yaml:"accessLog" env:"GOMA_ACCESS_LOG, overwrite"`
-	ErrorLog            string           `yaml:"errorLog" env:"GOMA_ERROR_LOG=, overwrite"`
-	LogLevel            string           `yaml:"logLevel" env:"GOMA_LOG_LEVEL, overwrite"`
-	ExtraRoutes         ExtraRouteConfig `yaml:"extraRoutes"`
+	BlockCommonExploits bool   `yaml:"blockCommonExploits"`
+	AccessLog           string `yaml:"accessLog" env:"GOMA_ACCESS_LOG, overwrite"`
+	ErrorLog            string `yaml:"errorLog" env:"GOMA_ERROR_LOG=, overwrite"`
+	LogLevel            string `yaml:"logLevel" env:"GOMA_LOG_LEVEL, overwrite"`
+
 	// DisableHealthCheckStatus enable and disable routes health check
 	DisableHealthCheckStatus bool `yaml:"disableHealthCheckStatus"`
 	// DisableRouteHealthCheckError allows enabling and disabling backend healthcheck errors
@@ -52,7 +52,8 @@ type Gateway struct {
 	InterceptErrors []int `yaml:"interceptErrors"`
 	// Cors holds proxy global cors
 	Cors Cors `yaml:"cors"`
-
+	// ExtraRoutes additional routes from defined directory
+	ExtraRoutes ExtraRouteConfig `yaml:"extraRoutes"`
 	// Routes holds proxy routes
 	Routes []Route `yaml:"routes"`
 }