diff --git a/reference/spl/cachingiterator/getinneriterator.xml b/reference/spl/cachingiterator/getinneriterator.xml
index 53430f35e4..0ad1930ba6 100644
--- a/reference/spl/cachingiterator/getinneriterator.xml
+++ b/reference/spl/cachingiterator/getinneriterator.xml
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <modifier>public</modifier> <type>void</type><methodname>CachingIterator::getInnerIterator</methodname>
+   <modifier>public</modifier> <type>Traversable</type><methodname>CachingIterator::getInnerIterator</methodname>
    <void />
   </methodsynopsis>