updated README

README.md

@@ -32,7 +32,7 @@ Supported scanners and their profiles:
 	* `basic_discovery`: no parameters
 	* `basic_discovery_ports`: provide port parameter (nmap -sV -p xxx)
 		* ports
-	* `custom`: provide all command line parameters (nmap xxxxxx)
+	* `custom_parameters`: provide all command line parameters (nmap xxxxxx)
 		* parameters
 
 *See example config files in `config-examples` folder.*