Add ideal alpha guidance
Correct spelling and capitalisation as requested
Reword long sentence
Add Alpha navigation
Add link from alpha page to ideal-alpha page
Apply content style guide
Simplify

Amend content as per suggestion by @BenClancy.
Remove .html from links
Remove FAQ-ish
Whitespace is good for my old eyes
Fix links
Try to use simpler words
Clarify the context

Sometimes, but not always that might be an outcome.
Merge pull request #309 from alphagov/new-alpha-guidance

Add ideal alpha guidance