PULL_REQUEST_TEMPLATE: make clear the first two boxes are requirements.

MikeMcQuaid · MikeMcQuaid · commit 64ec303109b4 · 2018-09-11T09:04:51.000+01:00
It seems to be causing some confusion as-is.
diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
@@ -1,4 +1,4 @@
-### Thank you for contributing! Please confirm the following:
+### Thank you for contributing! Please confirm this pull request meets the following requirements:
 
 - [ ] I followed the contributing guidelines: https://github.com/github/explore/blob/master/CONTRIBUTING.md
 - [ ] I have no affiliation with the project I am suggesting (as a maintainer, creator, contractor, or employee).

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-### Thank you for contributing! Please confirm the following:`
	`1`	`+### Thank you for contributing! Please confirm this pull request meets the following requirements:`
`2`	`2`
`3`	`3`	`- [ ] I followed the contributing guidelines: https://github.com/github/explore/blob/master/CONTRIBUTING.md`
`4`	`4`	`- [ ] I have no affiliation with the project I am suggesting (as a maintainer, creator, contractor, or employee).`