Merge pull request cockroachdb#7256 from cockroachdb/active-record-up…

…date

Update ActiveRecord and adapter callout

v20.1/build-a-ruby-app-with-cockroachdb-activerecord.md

@@ -32,7 +32,7 @@ $ gem install activerecord pg activerecord-cockroachdb-adapter
 ~~~
 
 {{site.data.alerts.callout_info}}
-The exact command above will vary depending on the desired version of ActiveRecord. Specifically, version 4.2.x of ActiveRecord requires version 0.1.x of the adapter; version 5.1.x of ActiveRecord requires version 0.2.x of the adapter.
+The exact command above will vary depending on the desired version of ActiveRecord. Specifically, version 4.2.x of ActiveRecord requires version 0.1.x of the adapter; version 5.1.x of ActiveRecord requires version 0.2.x of the adapter; version 5.2.x of ActiveRecord requires version 0.3.0.beta1 of the adapter.
 {{site.data.alerts.end}}
 
 <section class="filter-content" markdown="1" data-scope="secure">