README.md in standby-4.0.0 vs README.md in standby-5.0.0

@@ -1,8 +1,8 @@
 # Standby - Read from standby databases for ActiveRecord (formerly Slavery)
 
-[![Build Status](https://travis-ci.org/kenn/slavery.svg)](https://travis-ci.org/kenn/slavery)
+![Build Status](https://github.com/kenn/standby/actions/workflows/ci.yml/badge.svg)
 
 Standby is a simple, easy to use gem for ActiveRecord that enables conservative reading from standby databases, which means it won't automatically redirect all SELECTs to standbys.
 
 Instead, you can do `Standby.on_standby { User.count }` to send a particular query to a standby.
 
@@ -153,16 +153,13 @@
 
 ```ruby
 gem 'standby'
 ```
 
-Replace `Slavery` with `Standby`, `on_slave` with `on_standby`, and `on_master` with `on_primary`.
+Then
 
-```sh
-grep -e Slavery **/*.rake **/*.rb -s -l | xargs sed -i "" "s|Slavery|Standby|g"
-grep -e on_slave **/*.rake **/*.rb -s -l | xargs sed -i "" "s|on_slave|on_standby|g"
-grep -e on_master **/*.rake **/*.rb -s -l | xargs sed -i "" "s|on_master|on_primary|g"
-```
+* Replace `Slavery` with `Standby`, `on_slave` with `on_standby`, and `on_master` with `on_primary`
+* Update keys in `database.yml` (e.g. `development_slave` to `development_standby`)
 
 ## Upgrading from version 2 to version 3
 
 Please note that `Standby.spec_key=` method has been removed from version 3.