diff --git a/.github/PULL_REQUEST_TEMPLATE b/.github/PULL_REQUEST_TEMPLATE
index 75ee89b..f5c726f 100644
--- a/.github/PULL_REQUEST_TEMPLATE
+++ b/.github/PULL_REQUEST_TEMPLATE
@@ -11,14 +11,14 @@ Closes #2
 
 ### Checklist
 - [ ] I have made a material change to the repo (functionality, testing, spelling, grammar)
-- [ ] I have read the [Contribution Guide] and my PR follows them.
-- [ ] I updated my branch with the `development` branch.
+- [ ] I have read the [Contribution Guide] and my PR follows them
+- [ ] I updated my branch with the `development` branch
 - [ ] I have added tests that prove my fix is effective or that my feature works
 - [ ] I have added necessary documentation about the functionality in the appropriate .md file
-- [ ] I have added in line documentation to the code I modified
+- [ ] I have added inline documentation to the code I modified
 
 ### Short description of what this PR does:
 - 
 - 
 
-If you have questions, please send an email to [Sendgrid](mailto:dx@sendgrid.com), or file a Github Issue in this repository.
+If you have questions, please send an email to [SendGrid](mailto:dx@sendgrid.com), or file a GitHub Issue in this repository.
diff --git a/USAGE.md b/USAGE.md
index 871c292..0e78733 100644
--- a/USAGE.md
+++ b/USAGE.md
@@ -38,7 +38,7 @@ print(header.json_string())
 * [Categories](#categories)
 * [Schedulling Parameters](#schedulling-parameters)
 * [Section Tags](#section-tags)
-* [Subtitution Tags](#subtitution-tags)
+* [Substitution Tags](#substitution-tags)
 * [Suppression Groups](#suppression-groups)
 * [Unique Arguments](#unique-arguments)
 
@@ -213,7 +213,7 @@ The format of the SMTP API section tag has the form:
 ```
 
 <a name="subtitution-tags"></a>
-# Subtitution Tags
+# Substitution Tags
 
 **This endpoint allows you to easily generate dynamic content for each recipient on your list.**