Spelling a

tests/lib/mirrors/method_mirror_returntype_test.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library lib;
 
 @MirrorsUsed(targets: "lib")
 import "dart:mirrors";
 
 import "package:expect/expect.dart";
@@ skipping 26 matching lines @@
   Expect.equals(true, mm.returnType is TypeMirror);
   Expect.equals(#dynamic, mm.returnType.simpleName);
 
   mm = (reflect(voidFunc) as ClosureMirror).function;
   Expect.equals(true, mm.returnType is TypeMirror);
   Expect.equals(const Symbol("void"), mm.returnType.simpleName);
 
   ClassMirror cm = reflectClass(C);
   mm = cm.declarations[#getE];
   Expect.equals(true, mm.returnType is TypeMirror);
-  // The spec for this is ambigious and needs to be updated before it is clear
+  // The spec for this is ambiguous and needs to be updated before it is clear
   // what has to be returned.
   //Expect.equals("E", _n(mm.returnType.simpleName));
   Expect.equals(true, mm.owner is ClassMirror);
   Expect.equals(#C, mm.owner.simpleName);
 }