diff --git a/README.md b/README.md
index 50acc55..b350f69 100644
--- a/README.md
+++ b/README.md
@@ -89,7 +89,7 @@ You need to add the method `canImpersonate()` to your user model:
     /**
      * @return bool
      */
-    public function canImpersonate()
+    public function canImpersonate($impersonated = null)
     {
         // For example
         return $this->is_admin == 1;
@@ -104,7 +104,7 @@ Please make sure to pass instance Model or Nova Resource ``Impersonate::make($th
     /**
      * @return bool
      */
-    public function canBeImpersonated()
+    public function canBeImpersonated(?\Illuminate\Contracts\Auth\Authenticatable $impersonator = null)
     {
         // For example
         return $this->can_be_impersonated == 1;