Fixing Change heading on /contests #143 #hacktoberfest

[exponov]

Checklist

• [x] My branch is up-to-date with the upstream develop branch.
• [x] I have added necessary documentation (if appropriate).

Which issue does this PR fix?: fixes #

Brief description of what this PR does. Add issue number here. If you do not solve the issue entirely, please change the message e.g. "First steps for issues #IssueNumber"

Why do we need this PR?:

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Demo (optional):

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Testing instructions:

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TODOs (if any):

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[coveralls]

Coverage remained the same at 69.474% when pulling b3758175a84a5f9cca912fa09490f7baa25c3150 on exponov:predev into dec4b4c3d42c48a71e204926c38d2a8bfb58620a on OpenSourceHelpCommunity:predev.