diff --git a/exercises/practice/bob/Bob.php b/exercises/practice/bob/Bob.php
index aa0abc6e..a708da81 100644
--- a/exercises/practice/bob/Bob.php
+++ b/exercises/practice/bob/Bob.php
@@ -28,6 +28,6 @@ class Bob
 {
     public function respondTo(string $str): string
     {
-        throw new \BadMethodCallException("Implement the toOrdinal function");
+        throw new \BadMethodCallException("Implement the respondTo function");
     }
 }