diff --git a/reference/spl/splheap/next.xml b/reference/spl/splheap/next.xml
index 7085c3c289..da113a6bd2 100644
--- a/reference/spl/splheap/next.xml
+++ b/reference/spl/splheap/next.xml
@@ -13,7 +13,7 @@
    <void/>
   </methodsynopsis>
   <para>
-   Move to the next node.
+   Move to the next node. This will delete the top node of the heap.
   </para>
  </refsect1>