Update 3.9.2 relnotes

doc/relnotes/README.md

@@ -24,11 +24,12 @@ since it contains various bugfixes and improvements that will benefit busy walle
     * Example: `hush-smart-chain -ac_name=RANDX -ac_algo=randomx ...`
     * This allows HSCs to be mined with CPUs instead of ASICs
     * Because of RandomX, `cmake` is a new dependency needed to compile Hush from source
-    * More detailed documentation available at ...
+    * More detailed documentation available at https://git.hush.is/hush/hush3/src/branch/dev/doc/randomx.md
+    * For general info about HSCs see https://git.hush.is/hush/hush3/src/branch/dev/doc/hsc.md
   * A new feature called "zsweep" has been added, which defaults to disabled.
     * It will sweep funds from all zaddrs into a single specified zaddr
     * A new RPC `z_sweepstatus` will show various details about the sweeping
-    * There are many advanced options to it, see full docs at ...
+    * There are many advanced options to it, see full docs at https://git.hush.is/hush/hush3/src/branch/dev/doc/zsweep-consolidation.md
   * Expired transactions will not be relayed and nodes who relay expired transactions are no longer banned
     * A node relaying expired transactions is usually misconfigured or confused, not attacking us
     * This change means node operators no longer need to deal with unbanning or allowlisting confused nodes
@@ -43,6 +44,9 @@ since it contains various bugfixes and improvements that will benefit busy walle
   * getrawtransaction RPC now returns a "size" key with the size in bytes of a transaction
   * sendmany RPC will now reject transactions that send to taddrs immediately, instead of them being rejected in mempool
   * Preliminary support for FreeBSD has been added to the Hush build system
+  * New contrib scripts:
+    * `contrib/gen-zaddrs.pl` - Generate zaddrs in bulk, defaults to 50
+    * `contrib/sdl_checkpoints.pl` - Generate SDL checkpoints using `getblockmerkletree`
   * ZeroMQ support has been removed from Hush
 
 # Hush 3.9.1 "Luciferous Locust"