diff --git a/src/Framework/Constraint/ExceptionMessage.php b/src/Framework/Constraint/ExceptionMessage.php
index 721a5c45e3b..c8e46959a59 100644
--- a/src/Framework/Constraint/ExceptionMessage.php
+++ b/src/Framework/Constraint/ExceptionMessage.php
@@ -59,7 +59,7 @@ protected function failureDescription($other)
         }
 
         return \sprintf(
-            "exception message '%s' equals '%s'",
+            "exception message '%s' contains '%s'",
             $other->getMessage(),
             $this->expectedMessage
         );
@@ -74,6 +74,6 @@ public function toString()
             return 'exception message is empty';
         }
 
-        return 'exception message equals ';
+        return 'exception message contains ';
     }
 }