diff --git a/lib/librt/aio.3 b/lib/librt/aio.3
index c01b5331a899..876c48df4586 100644
--- a/lib/librt/aio.3
+++ b/lib/librt/aio.3
@@ -1,4 +1,4 @@
-.\" $NetBSD: aio.3,v 1.1 2010/05/17 17:15:42 jruoho Exp $ $
+.\" $NetBSD: aio.3,v 1.2 2010/05/17 17:55:49 jruoho Exp $ $
 .\"
 .\" Copyright (c) 2010 Jukka Ruohonen <jruohonen@iki.fi>
 .\" All rights reserved.
@@ -40,7 +40,7 @@ The
 standard defines an interface for asynchronous input and output.
 Although in
 .Nx
-this this provided as part of the
+this provided as part of the
 .Lb librt ,
 the implementation largely resides in the kernel.
 .Ss Rationale