Update 20487C_MOD07_LAK.md
Update 20487C_MOD07_LAK.md

Fixed Bugs:#90215 #90257 #90216
MicrosoftLearning/20487-DevelopingWindowsAzureAndWebServices,MicrosoftLearning/20487-DevelopingWindowsAzureAndWebServices,MicrosoftLearning/20487-DevelopingWindowsAzureAndWebServices