diff --git a/README.md b/README.md
index 834b0e7..5d19938 100644
--- a/README.md
+++ b/README.md
@@ -293,11 +293,12 @@ interface IAuthDefinitions {
    */
   ignoredRoutes?: string[]
 
+  enableHashingToken?: boolean
   /**
    * Used to encode/decode the access/refresh token
    * 32 characters string
    */
-  hashingSecretKey: string
+  hashingSecretKey?: string
 
   /**
    * We accepted these 3 values: cookie|bearer|both