diff --git a/src/Framework/TestCase.php b/src/Framework/TestCase.php
index cd415e15b28..4f5353968e6 100644
--- a/src/Framework/TestCase.php
+++ b/src/Framework/TestCase.php
@@ -1455,7 +1455,7 @@ protected function runTest()
             }
 
             if ($this->deprecatedExpectExceptionMessageRegExpUsed) {
-                $this->addWarning('expectExceptionMessageRegExp() is deprecated in PHPUnit 8 and will be removed in PHPUnit 9.');
+                $this->addWarning('expectExceptionMessageRegExp() is deprecated in PHPUnit 8 and will be removed in PHPUnit 9. Use expectExceptionMessageMatches() instead.');
             }
 
             return;