Fix Markdown formatting for issue and pull request template

[skip ci]

.github/ISSUE_TEMPLATE.md

 <!-- Click "Preview" for a more readable version -->
 
-#### Instructions
+#### Instructions
 
-Please read and follow this instructions before submitting an issue:
+Please read and follow the instructions before submitting an issue:
 
-- Read all our documentation, specially the [README](https://github.com/axios/axios/blob/master/README.md). It may contain information that helps you solve your issue.
+- Read all our documentation, especially the [README](https://github.com/axios/axios/blob/master/README.md). It may contain information that helps you solve your issue.
 - Ensure your issue isn't already [reported](https://github.com/axios/axios/issues?utf8=%E2%9C%93&q=is%3Aissue).
-- If you aren't sure that the issue is caused by axios or you just need for help, please use [Stack Overflow](https://stackoverflow.com/questions/tagged/axios) or [our chat](https://gitter.im/mzabriskie/axios).
+- If you aren't sure that the issue is caused by axios or you just need help, please use [Stack Overflow](https://stackoverflow.com/questions/tagged/axios) or [our chat](https://gitter.im/mzabriskie/axios).
 - If you're reporting a bug, ensure it isn't already fixed in the latest axios version.
 - If you need a new feature there's a chance it's already implemented in a [library](https://github.com/axios/axios/blob/master/ECOSYSTEM.md) or you can implement it using [interceptors](https://github.com/axios/axios#interceptors).
 
-*^^^ Delete the instructions before submitting the issue ^^^*
+**⚠️👆 Delete the instructions before submitting the issue 👆⚠️**
 
-#### Summary
+#### Summary
 
 Describe your issue here, including as much detail as necessary.
 
@@ -20,7 +20,7 @@ If you're reporting a bug, include the relevant code and stack traces to debug i
 
 If you're requesting a feature, include some context and examples of code using it.
 
-#### Context
+#### Context
 
 - axios version: *e.g.: v0.16.0*
 - Environment: *e.g.: node v6.9.4, chrome 54, windows 7*

.github/PULL_REQUEST_TEMPLATE.md

 <!-- Click "Preview" for a more readable version -->
 
-#### Instructions
+#### Instructions
 
-Please read and follow this instructions before creating and submitting a pull request:
+Please read and follow the instructions before creating and submitting a pull request:
 
 - Create an issue explaining the feature. It could save you some effort in case we don't consider it should be included in axios.
 - If you're fixing a bug, try to commit the failing test/s and the code fixing it in different commits.
 - Ensure you're following our [contributing guide](https://github.com/axios/axios/blob/master/CONTRIBUTING.md).
 
-*^^^ Delete the instructions before submitting the pull request ^^^*
+**⚠️👆 Delete the instructions before submitting the pull request 👆⚠️**
 
 Describe your pull request here.