diff --git a/readme.md b/readme.md
index 0f8ac71..88bf625 100644
--- a/readme.md
+++ b/readme.md
@@ -7,6 +7,8 @@ Merge the enumerable attributes of two objects deeply.
 
 [***Check out the changes from version 1.x to 2.0.0***](https://github.com/KyleAMathews/deepmerge/blob/master/changelog.md#200)
 
+For the old array element-merging algorithm, see [the `arrayMerge` option below](#arraymerge).
+
 example
 =======