diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index 2e2f1ae55..3ac3a78c2 100644
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -21,6 +21,9 @@
+
+ Remove the redundant assertNull in IterableUtilsTest.find and update Javadocs.
+
Simplify two remove-if loops #77.
diff --git a/src/main/java/org/apache/commons/collections4/IterableUtils.java b/src/main/java/org/apache/commons/collections4/IterableUtils.java
index 0e3bcb444..55c31239b 100644
--- a/src/main/java/org/apache/commons/collections4/IterableUtils.java
+++ b/src/main/java/org/apache/commons/collections4/IterableUtils.java
@@ -196,8 +196,8 @@ public class IterableUtils {
* corresponding input iterator supports it.
*
* @param the element type
- * @param a the first iterable, may not be null
- * @param b the second iterable, may not be null
+ * @param a the first iterable, must not be null
+ * @param b the second iterable, must not be null
* @return a filtered view on the specified iterable
* @throws NullPointerException if either of the provided iterables is null
*/
@@ -603,7 +603,7 @@ public class IterableUtils {
*
* @param the element type
* @param iterable the iterable to search, may be null
- * @param predicate the predicate to use, may not be null
+ * @param predicate the predicate to use, must not be null
* @return the first element of the iterable which matches the predicate or null if none could be found
* @throws NullPointerException if predicate is null
*/
@@ -619,7 +619,7 @@ public class IterableUtils {
*
* @param the element type
* @param iterable the iterable to search, may be null
- * @param predicate the predicate to use, may not be null
+ * @param predicate the predicate to use, must not be null
* @return the index of the first element which matches the predicate or -1 if none matches
* @throws NullPointerException if predicate is null
*/
diff --git a/src/main/java/org/apache/commons/collections4/IteratorUtils.java b/src/main/java/org/apache/commons/collections4/IteratorUtils.java
index bf389be03..bf3779f65 100644
--- a/src/main/java/org/apache/commons/collections4/IteratorUtils.java
+++ b/src/main/java/org/apache/commons/collections4/IteratorUtils.java
@@ -1211,7 +1211,7 @@ public class IteratorUtils {
*
* @param the element type
* @param iterator the iterator to search, may be null
- * @param predicate the predicate to use, may not be null
+ * @param predicate the predicate to use, must not be null
* @return the first element of the iterator which matches the predicate or null if none could be found
* @throws NullPointerException if predicate is null
* @since 4.1
diff --git a/src/test/java/org/apache/commons/collections4/IterableUtilsTest.java b/src/test/java/org/apache/commons/collections4/IterableUtilsTest.java
index 3cfb0e910..dbe83cacc 100644
--- a/src/test/java/org/apache/commons/collections4/IterableUtilsTest.java
+++ b/src/test/java/org/apache/commons/collections4/IterableUtilsTest.java
@@ -274,7 +274,7 @@ public class IterableUtilsTest {
assertTrue(test == null);
assertNull(IterableUtils.find(null,testPredicate));
try {
- assertNull(IterableUtils.find(iterableA, null));
+ IterableUtils.find(iterableA, null);
fail("expecting NullPointerException");
} catch (final NullPointerException npe) {
// expected