diff --git a/lib/test.js b/lib/test.js
index 9ce1082c..b44388bf 100644
--- a/lib/test.js
+++ b/lib/test.js
@@ -151,7 +151,7 @@ Test.prototype.end = function (err) {
     }
 
     if (this.calledEnd) {
-        this.fail('.end() called twice');
+        this.fail('.end() already called');
     }
     this.calledEnd = true;
     this._end();
diff --git a/test/double_end.js b/test/double_end.js
index ff4618b3..f254ed35 100644
--- a/test/double_end.js
+++ b/test/double_end.js
@@ -39,12 +39,12 @@ test(function (t) {
             'TAP version 13',
             '# double end',
             'ok 1 should be equal',
-            'not ok 2 .end() called twice',
+            'not ok 2 .end() already called',
             '  ---',
             '    operator: fail',
             '    ' + atExpected,
             '    stack: |-',
-            '      Error: .end() called twice',
+            '      Error: .end() already called',
             '          [... stack stripped ...]',
             '          ' + stackExpected,
             '          [... stack stripped ...]',