Fix incorrect redirect link

Author: arifszn

docs/3.-quick-start.md

@@ -5,7 +5,7 @@ hide_title: true
 
 To quickly start, let's try something live online.. [REQ|RES](https://reqres.in) is a hosted demo REST api service. Let's call a simple API endpoint from here.
 
-> First [setup chkware](2.-Setup).
+> First [setup chkware](setup).
 
 Go to https://reqres.in, and find there is an endpoint like **_GET_ SINGLE USER** we'll call this API with Chkware. So, follow these steps: