Rewrote step #4 of the upgrade guide.
Rewrote step #4 of the upgrade guide.

es/agent,es/agent,joelmoss/agent,es/agent,Shopify/agent,buildkite/agent,Jasperswaagman/agent,buildkite/agent,Jasperswaagman/agent,buildkite/agent,tommeier/agent,joelmoss/agent,tommeier/agent,Shopify/agent,grosskur/agent,joelmoss/agent,Jasperswaagman/agent,tommeier/agent,Shopify/agent,grosskur/agent,grosskur/agent