typo

proxy/src/main/java/com/velocitypowered/proxy/event/VelocityEventManager.java

@@ -319,7 +319,7 @@ public class VelocityEventManager implements EventManager {
         if (returnType != void.class && continuationType == Continuation.class) {
           errors.add("method return type must be void if a continuation parameter is provided");
         } else if (returnType != void.class && returnType != EventTask.class) {
-          errors.add("method return type must be void, AsyncTask, "
+          errors.add("method return type must be void, EventTask, "
               + "EventTask.Basic or EventTask.WithContinuation");
         } else if (returnType == EventTask.class) {
           asyncType = AsyncType.SOMETIMES;