Merge pull request #589 from weslleyspereira/minor-fixes-2

Fix typo in PULL_REQUEST_TEMPLATE.md

Author: langou

.github/PULL_REQUEST_TEMPLATE.md

@@ -2,5 +2,5 @@
 
 **Checklist**
 
-- [ ] The documententation has been updated
+- [ ] The documentation has been updated.
 - [ ] If the PR solves a specific issue, it is set to be closed on merge.