_content/doc: update review command access

The UI in Gerrit has changed slightly since the contribution documentation was initially written. The new UI has a slightly different means of accessing commands that will allow users to import a CL.

Change-Id: I82c7fc08b70e1afe2db52c313517ab38a1c9016a
Reviewed-on: https://go-review.googlesource.com/c/website/+/478995
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Heschi Kreinick <heschi@google.com>
diff --git a/_content/doc/contribute.html b/_content/doc/contribute.html
index 75f5314..1037dda 100644
--- a/_content/doc/contribute.html
+++ b/_content/doc/contribute.html
@@ -1218,10 +1218,11 @@
 As part of the review process reviewers can propose changes directly (in the
 GitHub workflow this would be someone else attaching commits to a pull request).
 
-You can import these changes proposed by someone else into your local Git repository.
-On the Gerrit review page, click the "Download ▼" link in the upper right
-corner, copy the "Checkout" command and run it from your local Git repo.
-It will look something like this:
+Gerrit provides access to commands that will help you import changes proposed
+by another developer so you can review/test them locally. From the Gerrit page
+for the CL you want to import, open the "⋮" menu, click the "Download patch" link.
+Depending on your preferred git workflow, choose the appropriate command. The options
+will look something like this:
 </p>
 
 <pre>