Fixed format of network changelog item

Author: coot

Diff for: cardano-node/ChangeLog.md

@@ -36,12 +36,12 @@ None
   local root peer was demoted to cold (either due to connection error or
   misbehaviour).
 
-- New P2P topology file format, see [issue #4563][#4563] or the [config
-  files][understanding-config-files] documentation.  The old p2p topology
+- New P2P topology file format. See [issue #4559][#4559] or the [config
+  files][understanding-config-files] documentation. The old P2P topology
   format will be supported for next two major releases of the node (the last
-  major version which will support it is `1.37`).
+  supported major version will be `1.37`). (#4563)
 
-[#4563]: https://github.com/input-output-hk/cardano-node/issues/4563
+[#4559]: https://github.com/input-output-hk/cardano-node/issues/4559
 [understanding-config-files]: https://github.com/input-output-hk/cardano-node/blob/master/doc/getting-started/understanding-config-files.md
 
 ### ledger changes