Update 20486C_MOD03_LAB_MANUAL.md
Update 20486C_MOD03_LAB_MANUAL.md

Fixed bug: #83658
MicrosoftLearning/20486-DevelopingASPNETMVCWebApplications,MicrosoftLearning/20486-DevelopingASPNETMVCWebApplications,MicrosoftLearning/20486-DevelopingASPNETMVCWebApplications