Update sending-transactions-via-rpc.md (#373)

refer to the correct page where we discuss the endpoints

# Description

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Co-authored-by: mfw78 <[email protected]>

Author: acanidio-econ

docs/mevblocker/users-and-integrators/users/sending-transactions-via-rpc.md

@@ -4,7 +4,7 @@ sidebar_position: 3
 
 # Sending Transactions via RPC
 
-MEV Blocker supports sending transactions via the standard `eth_sendRawTransaction` method.
+MEV Blocker supports sending transactions via multiple endpoints (as discussed [here](/mevblocker/concepts/endpoints)) using the standard `eth_sendRawTransaction` method.
 
 ## `eth_sendRawTransaction`