Merge pull request #880 from duffuniverse/fix-typos-in-readme

Fix a few typos in README

README.md

@@ -15,7 +15,7 @@ users.
 
 Please note: Thor, by design, is a system tool created to allow seamless file and url
 access, which should not receive application user input. It relies on [open-uri][open-uri],
-which combined with application user input would provide a command injection attack
+which, combined with application user input, would provide a command injection attack
 vector.
 
 [rake]: https://github.com/ruby/rake
@@ -27,7 +27,7 @@ Installation
 
 Usage and documentation
 -----------------------
-Please see the [wiki][] for basic usage and other documentation on using Thor. You can also checkout the [official homepage][homepage].
+Please see the [wiki][] for basic usage and other documentation on using Thor. You can also check out the [official homepage][homepage].
 
 [wiki]: https://github.com/rails/thor/wiki
 [homepage]: http://whatisthor.com/