Update PULL_REQUEST_TEMPLATE.md

PULL_REQUEST_TEMPLATE.md

@@ -14,16 +14,16 @@
 
 ## Types of changes
 <!--- What types of changes does your code introduce? Put an `x` in all the boxes that apply: -->
-- [ ] Bug fix (non-breaking change which fixes an issue)
-- [ ] New feature (non-breaking change which adds functionality)
-- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
+- [] Bug fix (non-breaking change which fixes an issue)
+- [] New feature (non-breaking change which adds functionality)
+- [] Breaking change (fix or feature that would cause existing functionality to not work as expected)
 
 ## Checklist:
 <!--- Go over all the following points, and put an `x` in all the boxes that apply. -->
 <!--- If you're unsure about any of these, don't hesitate to ask. We're here to help! -->
-- [ ] I have read the **CONTRIBUTING** document.
-- [ ] My code follows the code style of this project.
-- [ ] My change requires a change to the documentation.
-- [ ] I have updated the documentation accordingly.
-- [ ] I have added tests to cover my changes.
-- [ ] All new and existing tests passed.
+- [] I have read the **CONTRIBUTING** document.
+- [] My code follows the code style of this project.
+- [] My change requires a change to the documentation.
+- [] I have updated the documentation accordingly.
+- [] I have added tests to cover my changes.
+- [] All new and existing tests passed.