Update 20486C_MOD03_LAK.md
Update 20486C_MOD03_LAK.md

resolving bugs# 83450, 83545, 83477
MicrosoftLearning/20486-DevelopingASPNETMVCWebApplications,MicrosoftLearning/20486-DevelopingASPNETMVCWebApplications,MicrosoftLearning/20486-DevelopingASPNETMVCWebApplications