Fix typos

README.md

@@ -1,5 +1,5 @@
 # LSUnusedResources
-A Mac App to find unused images and resources in an XCode project. It is heavily influenced by jeffhodnett‘s [Unused](http://jeffhodnett.github.io/Unused/), but Unused is very slow, and the results are not entirely correct. So I made some performance optimization, the search speed is more faster than Unused.
+A Mac App to find unused images and resources in an Xcode project. It is heavily influenced by jeffhodnett‘s [Unused](http://jeffhodnett.github.io/Unused/), but Unused is very slow, and the results are not entirely correct. So I made some performance optimization, the search speed is more faster than Unused.
 
 ## Example
 
@@ -54,7 +54,7 @@ UIImage *img2 = [self createImageWithPrefix:@"icon_test" andIndex:index];
 ## Installation
 
 * Download: [LSUnusedResources.app.zip](https://github.com/tinymind/LSUnusedResources/raw/master/Release/LSUnusedResources.app.zip)
-* Or build and run the project using XCode.
+* Or build and run the project using Xcode.
 
 ## How it works