update docs/README-os2 after the last os/2 audio patch.
diff --git a/docs/README-os2.md b/docs/README-os2.md
index 46a4636..6870ee3 100644
--- a/docs/README-os2.md
+++ b/docs/README-os2.md
@@ -3,7 +3,7 @@ Simple DirectMedia Layer 2 for OS/2 & eComStation
SDL port for OS/2, authored by Andrey Vasilkin <digi@os2.snc.ru>, 2016
-OpenGL and audio capture not supported by this port.
+OpenGL not supported by this port.
Additional optional environment variables: