MAINT - Typo fixes in PULL_REQUEST_TEMPLATE.md (#280)

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,5 +1,5 @@
 Fixes # .
-<!-- Reference the issue corresponding to this PR. If an issues does not exist, consider opening one or writing a detailed descrition for what this PR changes and it's value in the following sections. -->
+<!-- Reference the issue corresponding to this PR. If an issues does not exist, consider opening one or writing a detailed description for what this PR changes and it's value in the following sections. -->
 <!-- GitHub Docs on Keywords: https://docs.github.com/en/get-started/writing-on-github/working-with-advanced-formatting/using-keywords-in-issues-and-pull-requests -->
 
 ## Description
@@ -15,7 +15,7 @@ This pull request:
 <!-- Quick checklist to ensure high-quality Pull Request. -->
 
 - [ ] Did you test this change locally?
-- [ ] Did you update the documentaion (if required)?
+- [ ] Did you update the documentation (if required)?
 - [ ] Did you add/update relevant tests for this change (if required)?
 
 ## Additional information