Update README.md

Author: Mandip47

README.md

@@ -4,7 +4,7 @@ It allows users to manage their accounts, perform transactions, and get loan and
 And, remember it is just a model,
 
 You can try using these accounts
-username : mc, PIN. : 1111
-username : jd, PIN. : 2222
-username : stw, PIN. : 3333
-username : ss, PIN. : 4444
+(username : mc, PIN. : 1111),
+(username : jd, PIN. : 2222),
+(username : stw, PIN. : 3333),
+(username : ss, PIN. : 4444)