Add verbs

It feels less awkward.

CONTRIBUTING.md

@@ -8,7 +8,7 @@ unified and future proof.
 
 ## Obtaining a copy
 
-In order to submit a pull request, you will need to [fork the project][Fork] and a fresh copy of the source code:
+In order to submit a pull request, you will need to [fork the project][Fork] and obtain a fresh copy of the source code:
 
 ```sh
 git clone [email protected]:<your-github-name>/doctrine2.git orm
@@ -30,8 +30,8 @@ curl -sS https://getcomposer.org/installer | php
  * I am submitting a BC-breaking change
    * Your PR must target the [master branch (3.0)][Master].
    * Please also try to provide a deprecation path in a PR targeting the [2.7 branch][2.7].
-   
-Please always create a new branch for your changes (i.e. not commit directly into `master` in your fork), otherwise you would run into troubles with creating multiple pull requests.
+
+Please always create a new branch for your changes (i.e. do not commit directly into `master` in your fork), otherwise you would run into troubles with creating multiple pull requests.
 
 ## Coding Standard