Merge pull request #3591 from edx/ned/fix-spelling

Fix spelling in the pull request template

.github/PULL_REQUEST_TEMPLATE.md

@@ -4,6 +4,6 @@ Configuration Pull Request
 Make sure that the following steps are done before merging
 
   - [ ] @devops team member has commented with :+1:
-  - [ ] are you adding any new default values that need to be overriden when this goes live?  
+  - [ ] are you adding any new default values that need to be overridden when this goes live?  
     - [ ] Open a ticket (DEVOPS) to make sure that they have been added to secure vars.
     - [ ] Add an entry to the CHANGELOG.