Update README.md

grammar errors have been revised

README.md

@@ -39,14 +39,14 @@ Moq also is the first and only library so far to provide Linq to Mocks, so that
   // Simply assert the returned state:
   Assert.True(download);
 
-  // If you really want to go beyond state testing and want to 
+  // If you want to go beyond state testing and want to 
   // verify the mock interaction instead...
   Mock.Get(lovable).Verify(library => library.DownloadExists("2.0.0.0"));
 ```
 
 You can think of Linq to Mocks as "from the universe of mocks, give me one whose behavior matches this expression".
 
-Checkout the [Quickstart](https://github.com/Moq/moq4/wiki/Quickstart) for more examples!
+Check out the [Quickstart](https://github.com/Moq/moq4/wiki/Quickstart) for more examples!
 
 ## What?