Fixed some readme errors for #hacktoberfest

[moritzgloeckl]

I fixed some small issues in the readme for #hacktoberfest.

[devs-mycroft]

Hello, @moritzgloeckl, thank you for helping with the Mycroft project! We welcome everyone
into the community and greatly appreciate your help as we work to build an AI
for Everyone.

To protect yourself, the project, and users of Mycroft technologies we require
a Contributor Licensing Agreement (CLA) before accepting any code
contribution. This agreement makes it crystal clear that along with your
code you are offering a license to use it within the confines of this project.
You retain ownership of the code, this is just a license.

Please visit https://mycroft.ai/cla to initiate this one-time signing. Thank
you!

[forslund]

Many thanks! Will merge as soon as the CLA has been signed and handled.

[moritzgloeckl]

@forslund I requested the CLA yesterday but the email hasn't come through as of now unfortunately...

[forslund]

There is a manual element involved here. I'll reach out to the person responsible for doing this on monday.

[moritzgloeckl]

CLA signed.

[forslund]

Bot just triggered and updated the label.

[forslund]

Once more many thanks for contributing. You are very welcome back to contributing more!