Add stack name size limit

doc_source/cloudformation-limits.md

@@ -20,6 +20,7 @@ Your AWS account has AWS CloudFormation limits that you might need to know when
 |  [Resources](template-anatomy.md)  |  Maximum number of resources that you can declare in your AWS CloudFormation template\.  |  200 resources  |  To specify more resources, separate your template into multiple templates by using, for example, [nested stacks](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-stack.html)\.  | 
 |  [Resources in concurrent stack operations](template-anatomy.md)   |  Maximum number of resources you can have involved in stack operations \(create, update, or delete operations\) in your region at a given time\.  | Use the [DescribeAccountLimits](https://docs.aws.amazon.com/AWSCloudFormation/latest/APIReference/API_DescribeAccountLimits.html) API to determine the current limit for an account in a specific region\. |  | 
 |  [Resource name](template-anatomy.md)  |  Maximum size of a resource name\.  |  255 characters  |  | 
+|  [Stack name](stacks.md)  |  Maximum size of a stack name\.  |  128 characters  |   |
 |  [Stacks](stacks.md)  |  Maximum number of AWS CloudFormation stacks that you can create\.  |  200 stacks  |  To create more stacks, delete stacks that you don't need or request an increase in the maximum number of stacks in your AWS account\. For more information, see [AWS service limits](https://docs.aws.amazon.com/general/latest/gr/aws_service_limits.html) in the *AWS General Reference*\.  | 
 |  [StackSets](what-is-cfnstacksets.md)  |  Maximum number of AWS CloudFormation stack sets you can create in your administrator account\.  |  100 stack sets  |  To create more stack sets, delete stack sets that you don't need or request an increase in the maximum number of stack sets in your AWS account\. For more information, see [AWS service limits](https://docs.aws.amazon.com/general/latest/gr/aws_service_limits.html) in the *AWS General Reference*\.  | 
 |  [Stack instances](what-is-cfnstacksets.md)  |  Maximum number of stack instances you can create per stack set\.  |  2000 stack instances per stack set  |  To create more stack instances, delete stack instances that you don't need or request an increase in the maximum number of stack instances in your AWS account\. For more information, see [AWS service limits](https://docs.aws.amazon.com/general/latest/gr/aws_service_limits.html) in the *AWS General Reference*\.  |