Update src/overview/tooling-and-explorers/blockchain-explorer.md

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

Author: Le-Caignec

src/overview/tooling-and-explorers/blockchain-explorer.md

@@ -69,7 +69,7 @@ publicly auditable.
 
 ::: tip 💡 Dev Tip
 
-Use **Bellecour** for development and testing with as it's a
+Use **Bellecour** for development and testing as it's a
 gasless blockchain, then deploy to **Arbitrum** for production workloads.
 
 :::