Fixed typos.
diff --git a/documentation/wine_os2 b/documentation/wine_os2
index f66fb71..8a78443 100644
--- a/documentation/wine_os2
+++ b/documentation/wine_os2
@@ -34,7 +34,7 @@
- File functions,
- I/O access (do it!),
- Communication (modem),
-- Interrupt (if int unknow, call current RealMode one...),
+- Interrupt (if int unknown, call current RealMode one...),
- verify that everything is thread safe (how does Win95/NT handle multi-thread?),
- move X functions in some files (and make a wrapper, to use PM instead latter),
- return right CPU type,