[documentation] modifying links in admin/help in handbook to prevent

[Charlie Lowe]

Angie Byron wrote:
> The "." in the class name might cause problems
> but if so there are only maybe 5 of those in the whole batch of core modules so

I can't believe I didn't think of that. What would work instead? Another 
character?

I can also go fix them very quickly. I plan on having most of the work 
done with the core modules finished sometime later today.

Charlie