Update specification.md

Co-authored-by: Richard Gibson <[email protected]>

Author: cdavernas

specification.md

@@ -6200,9 +6200,9 @@ The specification doesn't define any specific variable within the `WORKFLOW` buc
 
 ### Naming Convention
 
-Identifiable components of a workflow definition, such as states, actions, branches, events and functions define a required non-null `name` property which follows the DNS label names as defined by [RFC 1123](https://datatracker.ietf.org/doc/html/rfc1123).
+Identifiable components of a workflow definition, such as states, actions, branches, events and functions define a required non-null `name` property which is based on DNS label names as defined by [RFC 1123](https://datatracker.ietf.org/doc/html/rfc1123) with further restrictions.
 
-In other words, `names` must be lowercased, start and end with an alphanumeric character, and contain only alphanumeric characters or '-' (dash) character.
+Specifically, `name`s must be lowercase, start and end with an alphanumeric character, and consist entirely of alphanumeric characters with optional isolated medial dashes '-' (i.e., dashes must not be adjacent to each other).
 
 ## Extensions