adds the new ratio of user defined vs OCP tags

Author: Amrita

modules/installation-configuration-parameters.adoc

@@ -767,10 +767,16 @@ host must trust the certificate.
 |A map of keys and values that the installation program adds as tags to all resources that it creates.
 |Any valid YAML map, such as key value pairs in the `<key>: <value>` format. For more information about AWS tags, see link:https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/Using_Tags.html[Tagging Your Amazon EC2 Resources] in the AWS documentation.
 
+[NOTE]
+====
+You can add up to 25 user defined tags during installation. The remaining 25 tags are reserved for {product-title}.
+====
+
 |`platform.aws.propagateUserTags`
 | A flag that directs in-cluster Operators to include the specified user tags in the tags of the AWS resources that the Operators create.
 | Boolean values, for example `true` or `false`.
 
+
 |`platform.aws.subnets`
 |If you provide the VPC instead of allowing the installation program to create the VPC for you, specify the subnet for the cluster to use. The subnet must be part of the same `machineNetwork[].cidr` ranges that you specify. For a standard cluster, specify a public and a private subnet for each availability zone. For a private cluster, specify a private subnet for each availability zone.
 |Valid subnet IDs.