Fix typo in PULL_REQUEST_TEMPLATE.md.

.github/PULL_REQUEST_TEMPLATE.md

@@ -8,7 +8,7 @@ Please provide package links to:
 
 Note, that new categories can be added only when there are 3 packages or more.
 
-Make shure that you've checked the boxes below before you submit PR:
+Make sure that you've checked the boxes below before you submit PR:
 - [ ] I have added my package in alphabetical order
 - [ ] I know that this package was not listed before
 - [ ] I have added godoc link
@@ -16,4 +16,4 @@ Make shure that you've checked the boxes below before you submit PR:
 - [ ] I have added goreportcard link
 - [ ] I have read [Contribution guidelines](https://github.com/avelino/awesome-go/blob/master/CONTRIBUTING.md#contribution-guidelines) and [Quality standard](https://github.com/avelino/awesome-go/blob/master/CONTRIBUTING.md#quality-standard).
 
-Thanks for your PR, you're awesome :+1:
+Thanks for your PR, you're awesome! :+1: