Fix broken links from #571 (#602)

Author: sukoneck

docs/flashbots-mev-share/introduction.mdx

@@ -20,7 +20,7 @@ Users send their transactions to a specialized actor called a MEV-Share Node. Th
 At the moment, MEV-Share Nodes only accept backruns.
 
 ## How do I use MEV-Share?
-The simplest way to use MEV-Share is by sending transactions to [Flashbots Protect](/flashbots-protect/quick-start), which leverages the [Flashbots MEV-Share Node](/flashbots-protect/mev-share). Wallet and application developers should check out the [Flashbots Protect MEV-Share section](/flashbots-protect/mev-share) for information about integrating and configuring the Flashbots MEV-Share Node.
+The simplest way to use MEV-Share is by sending transactions to [Flashbots Protect](/flashbots-protect/quick-start), which leverages the [Flashbots MEV-Share Node](/flashbots-protect/mev-refunds). Wallet and application developers should check out the [Flashbots Protect MEV-Share section](/flashbots-protect/mev-refunds) for information about integrating and configuring the Flashbots MEV-Share Node.
 
 
 ## How do I search on MEV-Share?