Update README.md

legendarycode3 · web-flow · commit 128c91b88418 · 2026-05-17T15:30:51.000+01:00
diff --git a/README.md b/README.md
@@ -328,6 +328,7 @@ Run tests with different verbosity levels:
 
 ## Custom Errors
 * `Raffle__SendMoreEThToEnterRaffle()` - Insufficient entrance fee
+* `Raffle__TransferFailed()
 
 ## Gas Optimization
 * Optimized iteration and data structure operations.
