diff --git a/doc/source/opts.rst b/doc/source/opts.rst
index 6bbb2cf..4136c1c 100644
--- a/doc/source/opts.rst
+++ b/doc/source/opts.rst
@@ -12,6 +12,7 @@ Option Definitions
 .. autoclass:: ListOpt
 .. autoclass:: DictOpt
 .. autoclass:: MultiStrOpt
+.. autoclass:: IPOpt
 .. autoclass:: DeprecatedOpt
 .. autoclass:: SubCommandOpt
 .. autoclass:: OptGroup