diff --git a/routing.go b/routing.go
index 0d8a8e2..f6626ed 100755
--- a/routing.go
+++ b/routing.go
@@ -55,14 +55,14 @@ const (
 )
 
 const (
-	STRING  RouteParamType = "string"
-	BOOL    RouteParamType = "bool"
-	NUMBER  RouteParamType = "number"
-	INTEGER RouteParamType = "integer"
-	FLOAT   RouteParamType = "float"
-	JSON    RouteParamType = "json"
-	ARRAY   RouteParamType = "array"
-	ANY     RouteParamType = "any"
+	ReqString  RouteParamType = "string"
+	ReqBool    RouteParamType = "bool"
+	ReqNumber  RouteParamType = "number"
+	ReqInteger RouteParamType = "integer"
+	ReqFloat   RouteParamType = "float"
+	ReqJson    RouteParamType = "json"
+	ReqArray   RouteParamType = "array"
+	ReqAny     RouteParamType = "any"
 )
 
 const (