grammar

Author: Fornost461

book/06-github/sections/2-contributing.asc

@@ -112,7 +112,7 @@ To https://github.com/tonychacon/blink
 <5> Commit our change to the topic branch
 <6> Push our new topic branch back up to our GitHub fork
 
-Now if we go back to our fork on GitHub, we can see that GitHub noticed that we pushed a new topic branch up and present us with a big green button to check out our changes and open a Pull Request to the original project.
+Now if we go back to our fork on GitHub, we can see that GitHub noticed that we pushed a new topic branch up and presents us with a big green button to check out our changes and open a Pull Request to the original project.
 
 You can alternatively go to the ``Branches'' page at `https://github.com/<user>/<project>/branches` to locate your branch and open a new Pull Request from there.