typo fix (#150)

* Update Validator Multicast Connection.md

* Update Validator Multicast Connection.md

Author: Jared-dz

docs/Validator Multicast Connection.md

@@ -20,7 +20,7 @@ If you are a validator who is already connected to DoubleZero you may continue t
     RELAYER_URL=http://ny.mainnet.relayer.jito.wtf:8100
     SHRED_RECEIVER_ADDR=<JitoBlockEngineAddress>
     <...The rest of your config...>
-    --shred-receiver-address 233.84.178.1:7733.xyz:1002
+    --shred-receiver-address 233.84.178.1:7733:1002
     ```
 
 2. Restart your validator.
@@ -37,7 +37,7 @@ If you are a validator who is already connected to DoubleZero you may continue t
    [tiles.shred]
    additional_shred_destinations_leader = [ "233.84.178.1:7733", ]
    ```
-2. Restart your validator.s
+2. Restart your validator.
 
 3. Connect to the DoubleZero multicast group `bebop` as a publisher:
    `doublezero connect multicast --publish bebop`