Stack HumanityInfraStack
Hold on while we create a read-only change set to get a diff with accurate  
replacement information (use --no-change-set to use a less accurate but  
faster template-only diff)
Resources
[~] AWS::EC2::Instance MyWebServer MyWebServer626F3380 may be replaced
 └─ [~] InstanceType (may cause replacement)
     ├─ [-] t2.micro
     └─ [+] t3.micro
