[docs] Re-format docs slightly, so it shows up better in rdoc.
[docs] Re-format docs slightly, so it shows up better in rdoc.

tlunter/oboe-ruby,boyang-li/oboe-ruby,appneta/ruby-traceview,tlunter/oboe-ruby,boyang-li/oboe-ruby,appneta/ruby-traceview,appneta/ruby-traceview,boyang-li/oboe-ruby,tlunter/oboe-ruby,appneta/ruby-traceview,boyang-li/oboe-ruby,tlunter/oboe-ruby