docs: update CloudFormation spec documentation

packages/@aws-cdk/cfnspec/spec-source/cfn-docs/cfn-docs.json

@@ -15236,7 +15236,7 @@
         "IamInstanceProfile": "The name of an IAM instance profile. To create a new IAM instance profile, use the [AWS::IAM::InstanceProfile](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-iam-instanceprofile.html) resource.",
         "ImageId": "The ID of the AMI. An AMI ID is required to launch an instance and must be specified here or in a launch template.",
         "InstanceInitiatedShutdownBehavior": "Indicates whether an instance stops or terminates when you initiate shutdown from the instance (using the operating system command for system shutdown).\n\nDefault: `stop`",
-        "InstanceType": "The instance type. For more information, see [Instance types](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instance-types.html) in the *Amazon EC2 User Guide* .\n\nDefault: `m1.small`",
+        "InstanceType": "The instance type. For more information, see [Instance types](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instance-types.html) in the *Amazon EC2 User Guide* .\n\nWhen you change your EBS-backed instance type, instance restart or replacement behavior depends on the instance type compatibility between the old and new types. An instance that's backed by an instance store volume is always replaced. For more information, see [Change the instance type](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-resize.html) in the *Amazon EC2 User Guide* .\n\nDefault: `m1.small`",
         "Ipv6AddressCount": "The number of IPv6 addresses to associate with the primary network interface. Amazon EC2 chooses the IPv6 addresses from the range of your subnet. You cannot specify this option and the option to assign specific IPv6 addresses in the same request. You can specify this option if you've specified a minimum number of instances to launch.\n\nYou cannot specify this option and the network interfaces option in the same request.",
         "Ipv6Addresses": "The IPv6 addresses from the range of the subnet to associate with the primary network interface. You cannot specify this option and the option to assign a number of IPv6 addresses in the same request. You cannot specify this option if you've specified a minimum number of instances to launch.\n\nYou cannot specify this option and the network interfaces option in the same request.",
         "KernelId": "The ID of the kernel.\n\n> We recommend that you use PV-GRUB instead of kernels and RAM disks. For more information, see [PV-GRUB](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/UserProvidedkernels.html) in the *Amazon EC2 User Guide* .",