grammar fixes

.github/PULL_REQUEST_TEMPLATE/pull_request.md

@@ -1,20 +1,26 @@
-## Description
-<!--- Describe your changes in detail -->
-<!--- If applicable please link this PR to it's corresponding issue>
+# Description
+
+<!--- Describe your changes in detail. -->
+<!--- If applicable please link this PR to its corresponding issue. -->
 
 ## Testing
+
 <!--- Please describe how you tested your changes. -->
+
 - [ ] Unit testing
 - [ ] Tested locally
 - [ ] Tested in kubernetes mode
 
-## Screenshots (if appropriate):
+## Screenshots (if appropriate)
+
+## Checklist
 
-## Checklist:
 <!--- These can be used to show you've met the issue criteria, or similar. -->
 <!--- If you're unsure about any of these, don't hesitate to ask. We're here to help! -->
+
 - [ ] My change requires a change to the documentation.
 - [ ] I have updated the documentation accordingly.
 - [ ] I have updated the version.txt file
-<!--- there should be a version.txt file in the root of the project, -->
-<!--- please update the version number according to the guidelines for semantic versioning -->
+
+<!--- There should be a version.txt file in the root of the project, -->
+<!--- please don't forget to update the version number according to the guidelines for semantic versioning. -->