diff --git a/src/App.php b/src/App.php
index f81c352c..300f1b01 100755
--- a/src/App.php
+++ b/src/App.php
@@ -739,7 +739,7 @@ protected function validate(string $key, array $param, mixed $value): void
         }
 
         if (!$validator->isValid($value)) {
-            throw new Exception('Invalid ' . $key . ': ' . $validator->getDescription(), 400);
+            throw new Exception('Invalid `' . $key . '` param: ' . $validator->getDescription(), 400);
         }
     }
 
diff --git a/tests/AppTest.php b/tests/AppTest.php
index 5f08054a..d3952185 100755
--- a/tests/AppTest.php
+++ b/tests/AppTest.php
@@ -185,7 +185,7 @@ public function testCanExecuteRoute(): void
         $result = \ob_get_contents();
         \ob_end_clean();
 
-        $this->assertEquals('error: Invalid x: Value must be a valid string and no longer than 1 chars', $result);
+        $this->assertEquals('error: Invalid `x` param: Value must be a valid string and no longer than 1 chars', $result);
 
         // With Hooks