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 @@
inttype
- Sets an index on a specified column. The index type is one of the TokyoTyrant::RDBIT_* constants
+ Sets an index on a specified column. The index type is one of the TokyoTyrant::RDBIT_* constants.
+ Passing TokyoTyrant::RDBIT_VOID removes the index.