Update full-node-ansible.md

Author: hsutaiyu

docs/pos/how-to/full-node/full-node-ansible.md

@@ -93,7 +93,8 @@ moniker=<enter unique identifier>
 !!! tip
 
     The following Heimdall seed can be used for both mainnet and Mumbai testnet:
-    - 8542cd7e6bf9d260fef543bc49e59be5a3fa9074@seed.publicnode.com:27656
+    
+    8542cd7e6bf9d260fef543bc49e59be5a3fa9074@seed.publicnode.com:27656
 
 ### Bootnodes