README.md in docker-api-1.22.0 vs README.md in docker-api-1.22.1

@@ -92,9 +92,11 @@
     ssl_ca_file: File.join(cert_path, 'ca.pem'),
     scheme: 'https'
 }
 ```
 
+If you need to disable SSL verification, set the DOCKER_SSL_VERIFY variable to 'false'.
+
 ## Global calls
 
 All of the following examples require a connection to a Docker server. See the <a href="#starting-up">Starting up</a> section above for more information.
 
 ```ruby