diff --git a/README.md b/README.md
index 4976e76..6676b76 100644
--- a/README.md
+++ b/README.md
@@ -54,6 +54,34 @@ func main() {
 }
 ```
 
+### custom router group
+
+```go
+package main
+
+import (
+	"net/http"
+
+	"github.com/gin-contrib/pprof"
+	"github.com/gin-gonic/gin"
+)
+
+func main() {
+	router := gin.Default()
+	pprof.Register(router)
+	adminGroup := r.Group("/admin", func(c *gin.Context) {
+		if c.Request.Header.Get("Authorization") != "foobar" {
+			c.AbortWithStatus(http.StatusForbidden)
+			return
+		}
+		c.Next()
+	})
+	pprof.RouteRegister(adminGroup, "pprof")
+	router.Run(":8080")
+}
+
+```
+
 ### Use the pprof tool
 
 Then use the pprof tool to look at the heap profile:
diff --git a/example/custom/server.go b/example/custom/server.go
new file mode 100644
index 0000000..2b8b9a7
--- /dev/null
+++ b/example/custom/server.go
@@ -0,0 +1,22 @@
+package main
+
+import (
+	"net/http"
+
+	"github.com/gin-contrib/pprof"
+	"github.com/gin-gonic/gin"
+)
+
+func main() {
+	router := gin.Default()
+	pprof.Register(router)
+	adminGroup := r.Group("/admin", func(c *gin.Context) {
+		if c.Request.Header.Get("Authorization") != "foobar" {
+			c.AbortWithStatus(http.StatusForbidden)
+			return
+		}
+		c.Next()
+	})
+	pprof.RouteRegister(adminGroup, "pprof")
+	router.Run(":8080")
+}
diff --git a/example/server.go b/example/default/server.go
similarity index 100%
rename from example/server.go
rename to example/default/server.go