diff --git a/reference/tokyo_tyrant/tokyotyranttable/setindex.xml b/reference/tokyo_tyrant/tokyotyranttable/setindex.xml
index b137841f5a..a3fb710408 100644
--- a/reference/tokyo_tyrant/tokyotyranttable/setindex.xml
+++ b/reference/tokyo_tyrant/tokyotyranttable/setindex.xml
@@ -15,7 +15,8 @@
    <methodparam><type>int</type><parameter>type</parameter></methodparam>
   </methodsynopsis>
   <para>
-   Sets an index on a specified column. The index type is one of the <constant>TokyoTyrant::RDBIT_*</constant> constants
+   Sets an index on a specified column. The index type is one of the <constant>TokyoTyrant::RDBIT_*</constant> constants.
+   Passing <constant>TokyoTyrant::RDBIT_VOID</constant> removes the index.
   </para>
  </refsect1>