Update sdk/src/main/java/com/amazonaws/lambda/durable/InvokeConfig.java

Co-authored-by: Philipp Page <pagejep@amazon.com>

Author: zhongkechen

sdk/src/main/java/com/amazonaws/lambda/durable/InvokeConfig.java

@@ -56,10 +56,10 @@ public Builder timeout(Duration timeout) {
         }
 
         /**
-         * Sets a custom serializer for the step.
-         *
-         * <p>If not specified, the step will use the default SerDes configured for the handler. This allows per-step
-         * customization of serialization behavior, useful for steps that need special handling (e.g., custom date
+         * Sets a custom serializer for the invoke operation payload.
+         * 
+         * <p>If not specified, the invoke operation will use the default SerDes configured for the handler. This allows per-invoke
+         * customization of serialization behavior, useful for invoke operations that need special handling (e.g., custom date
          * formats, encryption, compression).
          *
          * @param payloadSerDes the custom serializer to use, or null to use the default