(doc) Fix throwable is returned, not index (#518)
diff --git a/src/main/java/org/apache/commons/lang3/exception/ExceptionUtils.java b/src/main/java/org/apache/commons/lang3/exception/ExceptionUtils.java
index a2a67b4..205e1ae 100644
--- a/src/main/java/org/apache/commons/lang3/exception/ExceptionUtils.java
+++ b/src/main/java/org/apache/commons/lang3/exception/ExceptionUtils.java
@@ -810,7 +810,7 @@
* @param <T> the type of Throwable you are searching.
* @param throwable the throwable to inspect, may be null
* @param clazz the class to search for, subclasses do not match, null returns null
- * @return the index into the throwable chain, null if no match or null input
+ * @return the first matching throwable from the throwable chain, null if no match or null input
* @since 3.10
*/
public static <T extends Throwable> T throwableOfThrowable(final Throwable throwable, final Class<T> clazz) {
@@ -835,7 +835,7 @@
* @param clazz the class to search for, subclasses do not match, null returns null
* @param fromIndex the (zero-based) index of the starting position,
* negative treated as zero, larger than chain size returns null
- * @return the index into the throwable chain, null if no match or null input
+ * @return the first matching throwable from the throwable chain, null if no match or null input
* @since 3.10
*/
public static <T extends Throwable> T throwableOfThrowable(final Throwable throwable, final Class<T> clazz, final int fromIndex) {
@@ -855,7 +855,7 @@
* @param <T> the type of Throwable you are searching.
* @param throwable the throwable to inspect, may be null
* @param type the type to search for, subclasses match, null returns null
- * @return the index into the throwable chain, null if no match or null input
+ * @return the first matching throwable from the throwable chain, null if no match or null input
* @since 3.10
*/
public static <T extends Throwable> T throwableOfType(final Throwable throwable, final Class<T> type) {
@@ -880,7 +880,7 @@
* @param type the type to search for, subclasses match, null returns null
* @param fromIndex the (zero-based) index of the starting position,
* negative treated as zero, larger than chain size returns null
- * @return the index into the throwable chain, null if no match or null input
+ * @return the first matching throwable from the throwable chain, null if no match or null input
* @since 3.10
*/
public static <T extends Throwable> T throwableOfType(final Throwable throwable, final Class<T> type, final int fromIndex) {
