diff --git a/functions/oci8.xml b/functions/oci8.xml
index 37c9728bdf..9d8e9d45ae 100644
--- a/functions/oci8.xml
+++ b/functions/oci8.xml
@@ -1550,10 +1550,11 @@ OCILogoff($conn);
     </simpara>
    </refsect1>
   </refentry>
+
   <refentry id="function.ocicancel">
    <refnamediv>
     <refname>OCICancel</refname>
-    <refpurpose>Coming soon.</refpurpose>
+    <refpurpose>Cancel reading from cursor</refpurpose>
    </refnamediv>
    <refsect1>
     <title>Description</title>
@@ -1564,7 +1565,28 @@ OCILogoff($conn);
      </funcprototype>
     </funcsynopsis>
     <simpara>
-     Coming soon.
+     If you do not want read more data from a cursor, then call
+     <function>OCICancel</function>.
+    </simpara>
+   </refsect1>
+  </refentry>
+
+  <refentry id="function.ocisetprefetch">
+   <refnamediv>
+    <refname>OCISetPrefetch</refname>
+    <refpurpose>sets number of rows to be prefetched</refpurpose>
+   </refnamediv>
+   <refsect1>
+    <title>Description</title>
+    <funcsynopsis>
+     <funcprototype>
+      <funcdef>int <function>OCISetPrefetch</function></funcdef>
+      <paramdef>int <parameter>stmt</parameter></paramdef>
+      <paramdef>int <parameter>rows</parameter></paramdef>
+     </funcprototype>
+    </funcsynopsis>
+    <simpara>
+     Sets the number of top level rows to be prefetched. The default value is 1 row.
     </simpara>
    </refsect1>
   </refentry>