docs: Clarify special character names (Closes #8802)

Author: Born-as-Harsha

content/en/docs/concepts/overview/working-with-objects/names.md

@@ -47,7 +47,7 @@ as defined in [RFC 1123](https://tools.ietf.org/html/rfc1123).
 This means the name must:
 
 - contain no more than 253 characters
-- contain only lowercase alphanumeric characters, **hyphens ('-')**, or **periods('.')**
+- contain only lowercase alphanumeric characters, hyphens ('-'), or periods('.')
 - start with an alphanumeric character
 - end with an alphanumeric character