Fixed PR template typos (#3914)

Small but my own typos in this template have driven me nuts for every PR
I've made haha

.github/PULL_REQUEST_TEMPLATE.md

@@ -5,7 +5,7 @@ Please ensure your contributions pass all necessary linting/testing and that the
 -->
 
 <!--
-Describe briefly what your pull request changes. If this is resoving an issue, please specify below via "Fixes #<Github Issue ID>"
+Describe briefly what your pull request changes. If this is resolving an issue, please specify below via "Fixes #<Github Issue ID>"
 -->
 Fixes #ISSUEID
 
@@ -15,9 +15,9 @@ Fixes #ISSUEID
 If step does not require manual testing, skip/remove this section.
 
 Give a brief overview of the steps required for a user/dev to test this contribution. Important things to include:
- - Required user roles for where neccesary (ie. "As a Staff Admin...")
+ - Required user roles for where necessary (ie. "As a Staff Admin...")
  - Clear & validatable expected results (ie. "Confirm the submit button is now not clickable")
- - Langauge that can be understood by non-technical testers if being tested by users
+ - Language that can be understood by non-technical testers if being tested by users
 -->
 
- - [ ] …
+ - [ ] …
\ No newline at end of file