Update documentation

Author: Maciej Szlosarczyk

config/sys.config

@@ -7,8 +7,8 @@
                %% TLS port, specified in RFC to 700, but can be set to anything else
                %% in case that is needed.
                {tls_port, 700},
-	       %% When set to true, you can connect to  EPP over endpoints without verifying their
-	       %% TLS certificates.
+	       %% When set to true, you can connect to EPP over HTTPS endpoints without
+	       %% verifying their TLS certificates.
 	       {insecure, false}
                %% URL of EPP endpoints. Can be pointed at a web server (Apache/NGINX)
                %% Can contain port (https://some-host:3000/epp/session)