message: More details about the PR deployments
diff: @@ -27,6 +27,11 @@ If the deployment is a pull request deployment, Lagoon will load the Base and th
  - checkout the base branch (the branch the Pull Request points too)
  - merge the head branch (the branch that the Pull Request originates from) on top of the base branch
  + <details>
  + <summary>More specifically</summary>
  + Lagoon will checkout and merge particular _SHAs_ which were sent in the webhook. Those SHAs may or _may not_ point to the branch HEADs. For example, if you make a new push to a Github PR, it can happen that SHA of the base branch will _not_ point to the current base branch HEAD.
  + </details>
  +
  If the merge fails, Lagoon will also stop and inform you about this.
  ## 3. Build Image
  