Update README.md

README.md

@@ -186,7 +186,7 @@ The Mobile App Pentest cheat sheet was created to provide concise collection of
     * `cy# [a setPinCode: @"1234"]` or `cy# a.setPinCode= @"1234"`
   * Method Swizzling
     * `cy# [a isValidPin]`
-    * `cy# a.prototype.isValidPin = function(){return 1;}`
+    * `cy# classname.prototype.isValidPin = function(){return 1;}`
 * [iNalyzer](https://appsec-labs.com/cydia/) - AppSec Labs iNalyzer is a framework for manipulating iOS applications, tampering with parameters and method.
 * [idb](https://github.com/dmayer/idb) - idb is a tool to simplify some common tasks for iOS pentesting and research.
 * [snoop-it](http://cydia.radare.org/) - A tool to assist security assessments and dynamic analysis of iOS Apps.