cookbooks/deve/core: note ho to disable tcp accept ip limit

docs/cookbooks/devel/core.md

@@ -3311,12 +3311,14 @@ tcp_accept_hep3=yes
 
 Set limit for accepted connections from the same IP address.
 
-Default 1024.
+Default: `1024`.
 
 ```
 tcp_accept_iplimit=32
 ```
 
+It can be set to `0` (or a negative value) to disable this limit.
+
 ### tcp_accept_no_cl
 
 Control whether to throw or not error when there is no Content-Length