adapted to Converter signature change

org.springframework.core/src/main/java/org/springframework/core/convert/converter/Converter.java

@@ -19,6 +19,7 @@ package org.springframework.core.convert.converter;
 /**
  * A converter converts a source object of type S to a target of type T.
  * Implementations of this interface are thread-safe and can be shared.
+ *
  * @author Keith Donald
  * @since 3.0
  */
@@ -28,7 +29,7 @@ public interface Converter<S, T> {
 	 * Convert the source of type S to target type T.
 	 * @param source the source object to convert, which must be an instance of S
 	 * @return the converted object, which must be an instance of T
-	 * @throws IllegalArgumentException if the source could not be converted
+	 * @throws IllegalArgumentException if the source could not be converted to the desired target type
 	 */
 	T convert(S source);