Polish contribution

Closes gh-13963

Author: snicoll

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/AutoConfigurationImportSelector.java

@@ -413,7 +413,7 @@ public void process(AnnotationMetadata annotationMetadata,
 			Assert.state(
 					deferredImportSelector instanceof AutoConfigurationImportSelector,
 					() -> String.format(
-							"AutoConfigurationImportSelector only supports %s implementations, got %s",
+							"Only %s implementations are supported, got %s",
 							AutoConfigurationImportSelector.class.getSimpleName(),
 							deferredImportSelector.getClass().getName()));
 			AutoConfigurationEntry autoConfigurationEntry = ((AutoConfigurationImportSelector) deferredImportSelector)