diff --git a/reference/spl/cachingiterator/getinneriterator.xml b/reference/spl/cachingiterator/getinneriterator.xml
index 05df3863fa..9f5fa4e481 100644
--- a/reference/spl/cachingiterator/getinneriterator.xml
+++ b/reference/spl/cachingiterator/getinneriterator.xml
@@ -4,7 +4,7 @@
 <refentry xml:id="cachingiterator.getinneriterator" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
  <refnamediv>
   <refname>CachingIterator::getInnerIterator</refname>
-  <refpurpose>Return the innter iterator</refpurpose>
+  <refpurpose>Return the inner iterator</refpurpose>
  </refnamediv>
 
  <refsect1 role="description">