Documentation tweaks to main README

[adamdmharvey]

Noticed a minor typo in the README, so took a quick stab at cleaning a few up.

• Punctuation typo (period instead of comma)
• UK English typo for familiarise
• Two broken links
• Use of i.e. instead of e.g.

[codecov[bot]]

Codecov Report

:exclamation: No coverage uploaded for pull request base (develop@a588835). Click here to learn what that means. Patch has no changes to coverable lines.

:exclamation: Current head bf399b8 differs from pull request most recent head 548482d. Consider uploading reports for the commit 548482d to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             develop     #634   +/-   ##
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  Coverage           ?   28.00%           
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  Files              ?       42           
  Lines              ?     4795           
  Branches           ?        0           
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  Hits               ?     1343           
  Misses             ?     3267           
  Partials           ?      185           

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[adamdmharvey]

Fixed the merge conflict.