improved unsigned support

1 files changed, 5 insertions, 0 deletions

diff --git a/doc/lib.txt b/doc/lib.txt
index 8436f486c..f5bef435c 100755
--- a/doc/lib.txt
+++ b/doc/lib.txt
@@ -31,6 +31,11 @@ Core
   implicitly by the compiler. Do not import it directly. It relies on compiler
   magic to work.
 
+* `unsigned <unsigned.html>`_
+  This module implements basic arithmetic operators for unsigned integers.
+  To discourage users from using unsigned integers, it's not part 
+  of ``system``, but an extra import.
+
 * `threads <threads.html>`_
   Nimrod thread support. **Note**: This is part of the system module. Do not
   import it explicitely.