`trying to manually editing` doesn't seem quite grammatically
correct. We could change it to `trying to manually edit` (is that a
split infinitive?), but I don't think `trying to` adds much here so
I've removed it instead so `editing` is the verb.

For the list of dependencies, the wording before this commit seemed to
reverse the dependency. "B, depended on A" sounds like B depends on A
(or did in the past but doesn't anymore?), but that's not correct. I
think there's a missing word: "B, depended on by A", but I find "B,
dependency of A" a bit nicer.

https://github.com/rubygems/rubygems/commit/49a31257e3