change header to h4

This commit is contained in:
bollu 2015-09-06 12:15:22 +05:30
parent f407651f94
commit 396729820f

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@ -58,7 +58,7 @@ to do is `stack install <package-name>`.
Run `stack` for a complete list of commands.
## How to contribute
#### How to contribute
This assumes that you have already installed a version of stack, and have `git` installed.