Line 1805: "However, the Server is permitted to map the Topic Name to another name, it might not be the same as ..."

to:

"However, the Server is permitted to map the Topic Name to another name, [which] might not be the same as ..."

It would be useful to review Section 3.3.2.3 to ensure that there is consistent use of "It is a Protocol Error to include the <insert property name> value more than once".