Fix checkstyle

Author: mbhave

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/properties/bind/BindConverter.java

@@ -110,7 +110,7 @@ private static class ResolvableTypeDescriptor extends TypeDescriptor {
 	}
 
 	/**
-	 * Composite {@link ConversionService} used to call multiple services
+	 * Composite {@link ConversionService} used to call multiple services.
 	 */
 	static class CompositeConversionService implements ConversionService {
 
@@ -205,7 +205,7 @@ private static class TypeConverterConverter implements ConditionalGenericConvert
 
 		private final SimpleTypeConverter typeConverter;
 
-		public TypeConverterConverter(SimpleTypeConverter typeConverter) {
+		TypeConverterConverter(SimpleTypeConverter typeConverter) {
 			this.typeConverter = typeConverter;
 		}