Update docs/pos/how-to/full-node/full-node-binaries.md

Co-authored-by: Dra Murphy <149679879+kmurphypolygon@users.noreply.github.com>

Author: hsutaiyu

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

@@ -87,7 +87,7 @@ chown heimdall /var/lib/heimdall
 ```
 
 !!! tip
-    The following heimdall seed can be used for both mainnet and Mumbai testnet: `8542cd7e6bf9d260fef543bc49e59be5a3fa9074@seed.publicnode.com:27656`
+    The following Heimdall seed can be used for both mainnet and Mumbai testnet: `8542cd7e6bf9d260fef543bc49e59be5a3fa9074@seed.publicnode.com:27656`
 
 ### Bor install