spring-projectsGH-1517: added configuration support for multiple Cont…

…ainerCustomizer at once

spring-rabbit/src/main/java/org/springframework/amqp/rabbit/config/CompositeContainerCustomizer.java

@@ -12,7 +12,7 @@ public class CompositeContainerCustomizer<C extends MessageListenerContainer> im
 	private final List<ContainerCustomizer<C>> customizers;
 
 	public CompositeContainerCustomizer(List<ContainerCustomizer<C>> customizers) {
-		Assert.notNull(customizers, "At lease one customizers must be present");
+		Assert.notNull(customizers, "At least one customizer must be present");
 		this.customizers = customizers;
 	}