PR tensorflow#42501: Update CONTRIBUTING.md

Close tensorflow#42527

Imported from GitHub PR tensorflow#42501

Fixed typos
Copybara import of the project:

--
0dd22ba by Aniket Kumar Singh <[email protected]>:

Update CONTRIBUTING.md

Fixed typos

PiperOrigin-RevId: 327694861
Change-Id: I1b26624ffa041a02ff3d7a88bb3cc4e02993b836

CONTRIBUTING.md

@@ -15,8 +15,7 @@ Before sending your pull requests, make sure you followed this list.
 
 ### Contributor License Agreements
 
-We'd love to accept your patches! Before we can take them, you have to jump a
-couple of legal hurdles.
+We'd love to accept your patches! Before we can take them, we have to jump a couple of legal hurdles.
 
 Please fill out either the individual or corporate Contributor License Agreement (CLA).
 
@@ -34,11 +33,11 @@ just getting started, Github has a
 [how to](https://help.github.com/articles/using-pull-requests/).
 
 TensorFlow team members will be assigned to review your pull requests. Once the
-pull requests are approved and passes continuous integration checks, a
-TensorFlow team member will apply `ready to pull` label to your change. This
-means we are working on getting your pull request submitted to our internal
-repository. After the change has been submitted internally, your pull request
-will be merged automatically on GitHub.
+pull requests are approved and pass continuous integration checks, a TensorFlow
+team member will apply `ready to pull` label to your change. This means we are
+working on getting your pull request submitted to our internal repository. After
+the change has been submitted internally, your pull request will be merged
+automatically on GitHub.
 
 If you want to contribute, start working through the TensorFlow codebase,
 navigate to the