Fix ErrorResponse#type documentation

Closes gh-29632

spring-web/src/main/java/org/springframework/web/ErrorResponse.java

@@ -227,7 +227,7 @@ interface Builder {
 		Builder detailMessageArguments(Object... messageArguments);
 
 		/**
-		 * Set the underlying {@link ProblemDetail#setTitle(String)} field.
+		 * Set the underlying {@link ProblemDetail#setType(URI)} field.
 		 * @return the same builder instance
 		 */
 		Builder type(URI type);