README.md in imap-backup-3.2.1 vs README.md in imap-backup-3.3.0

@@ -211,9 +211,15 @@
 ```
 
 To exclude Docker-based tests:
 
 ```sh
+rake no-docker
+```
+
+or
+
+```sh
 $ rspec --tag ~docker
 ```
 
 ## Contributing