diff --git a/src/hx/concurrent/collection/CopyOnWriteArray.hx b/src/hx/concurrent/collection/CopyOnWriteArray.hx
index 58ad1e0..6a4aaa5 100644
--- a/src/hx/concurrent/collection/CopyOnWriteArray.hx
+++ b/src/hx/concurrent/collection/CopyOnWriteArray.hx
@@ -35,7 +35,7 @@ abstract CopyOnWriteArray<T>(CopyOnWriteArrayImpl<T>) from CopyOnWriteArrayImpl<
 
 
     /**
-     * >>> function(){var arr=new CopyOnWriteArray([1,2]); arr[2]=3; return arr.toArray(); }() == [1, 2, 3]
+     * >>> (function(){var arr=new CopyOnWriteArray([1,2]); arr[2]=3; return arr.toArray(); })() == [1, 2, 3]
      */
     @:arrayAccess
     inline function _set(idx:Int, x:T):T {
diff --git a/src/hx/concurrent/collection/SynchronizedArray.hx b/src/hx/concurrent/collection/SynchronizedArray.hx
index f8366d7..c78ca0a 100644
--- a/src/hx/concurrent/collection/SynchronizedArray.hx
+++ b/src/hx/concurrent/collection/SynchronizedArray.hx
@@ -35,7 +35,7 @@ abstract SynchronizedArray<T>(SynchronizedArrayImpl<T>) from SynchronizedArrayIm
 
 
     /**
-     * >>> function(){var arr=new SynchronizedArray([1,2]); arr[2]=3; return arr.toArray(); }() == [1, 2, 3]
+     * >>> (function(){var arr=new SynchronizedArray([1,2]); arr[2]=3; return arr.toArray(); })() == [1, 2, 3]
      */
     @:arrayAccess
     inline function _set(idx:Int, x:T):T {