Add options module to standard library documentation

1 files changed, 3 insertions, 0 deletions

diff --git a/doc/lib.txt b/doc/lib.txt
index 3dc58eebf..4fa49095c 100644
--- a/doc/lib.txt
+++ b/doc/lib.txt
@@ -374,6 +374,9 @@ Miscellaneous
 * `logging <logging.html>`_
   This module implements a simple logger.
 
+* `options <options.html>`_
+  Types which encapsulate an optional value.
+
 * `future <future.html>`_
   This module implements new experimental features. Currently the syntax
   sugar for anonymous procedures.