There are few typos in section 14.12. CONFIGURING A REQUESTDUMPING HANDLER. Changed things are bold.

In a paragraph called Configuring a RequestDumping Handler for Specific URLs:
For example, if you wanted to log all request -> For example, if you want to log all requests

you could use the expression -> you can use the expression

In a paragraph called 14.12.2. Configuring a RequestDumping Handler within an Application:

you can also configure them -> you can also configure it