diff --git a/selffuzz/src/test/java/com/code_intelligence/selffuzz/mutation/ArgumentsMutatorFuzzTest.java b/selffuzz/src/test/java/com/code_intelligence/selffuzz/mutation/ArgumentsMutatorFuzzTest.java
index 06b1df4a3..f758644cd 100644
--- a/selffuzz/src/test/java/com/code_intelligence/selffuzz/mutation/ArgumentsMutatorFuzzTest.java
+++ b/selffuzz/src/test/java/com/code_intelligence/selffuzz/mutation/ArgumentsMutatorFuzzTest.java
@@ -112,13 +112,11 @@ void fuzzListOfMaps(@WithSize(max = 4) Map<String, Integer> nullableMap) {
 
   @SelfFuzzTest
   void fuzzListOfSets(@WithSize(max = 10) @NotNull Set<@NotNull Integer> setWithSize) {
-    if (setWithSize != null) {
-      assertThat(setWithSize.size()).isAtMost(10);
-    }
+    assertThat(setWithSize.size()).isAtMost(10);
   }
 
   @SelfFuzzTest
-  void fuzzListOfLists(List<@NotNull List<String>> nullableMap, List<List<Integer>> nullableList) {}
+  void fuzzListOfLists(List<@NotNull List<String>> list, List<List<Integer>> nullableList) {}
 
   @SelfFuzzTest
   void fuzzPrimitiveArrays(
diff --git a/src/main/java/com/code_intelligence/jazzer/mutation/annotation/WithSize.java b/src/main/java/com/code_intelligence/jazzer/mutation/annotation/WithSize.java
index 0a78ae7aa..6dd07c6a4 100644
--- a/src/main/java/com/code_intelligence/jazzer/mutation/annotation/WithSize.java
+++ b/src/main/java/com/code_intelligence/jazzer/mutation/annotation/WithSize.java
@@ -29,7 +29,7 @@
 import java.util.Set;
 
 /**
- * Generates a {@link List} or {@link Map} with the specified size.
+ * Generates a {@link List}, {@link Set} or {@link Map} with the specified size.
  *
  * @see WithLength
  * @see WithUtf8Length