Update README.md

Author: chenyaau94

README.md

@@ -153,7 +153,7 @@ Installations for Seamless
 [FB APP Seamless Integration](https://github.com/MOLPay/Seamless_Integration/wiki/MOLPay-FB-App-Seamless-Integration)
 
 Seamless Integration (non-PCI):
-- [Latest Version (Auto update)](https://github.com/MOLPay/Seamless_Integration/wiki/Latest-MOLPay-Seamless-Integration-(non-PCI)) **Update: 30/12/2018** - Add new Payment Channel: BigC
+- [Latest Version (Auto update)](https://github.com/MOLPay/Seamless_Integration/wiki/Latest-MOLPay-Seamless-Integration-(non-PCI)) **Update: 30/11/2018** - Add new Payment Channel: BigC
 - [Version 3.19](https://github.com/MOLPay/Seamless_Integration/wiki/MOLPay-Seamless-Integration-v3.19-(non-PCI))
 
 Previous version: