message: docs: fix awkard space due to margin in sections with `alert` class
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diff: @@ -6,7 +6,7 @@ The Angular [ahead-of-time (AOT) compiler](guide/glossary#aot) converts your Ang
  This guide explains how to specify metadata and apply available compiler options to compile your applications efficiently using the AOT compiler.
  -<div class="alert is-helpful"
  +<div class="alert is-helpful">
  <a href="https://www.youtube.com/watch?v=kW9cJsvcsGo">Watch compiler author Tobias Bosch explain the Angular compiler</a> at AngularConnect 2016.
  