standardize language: mkt -> swaps;

Author: anihamde

pages/express-relay/index.mdx

@@ -16,7 +16,7 @@ Express Relay is a priority auction which enables better orderflow mechanisms th
 
 ## Integration
 
-To integrate with Express Relay, you can integrate as a protocol (to power market orders/swaps) or as a searcher.
+To integrate with Express Relay, you can integrate as a protocol (to power token swaps) or as a searcher.
 
 <Cards>
 <Card