diff --git a/man7/unix.7 b/man7/unix.7
index d04adb4f9..89dada0ba 100644
--- a/man7/unix.7
+++ b/man7/unix.7
@@ -538,7 +538,7 @@ Unknown socket type.
 .B ETOOMANYREFS
 This error can occur for
 .BR sendmsg (2)
-when sending a file descriptor as ancilary data over
+when sending a file descriptor as ancillary data over
 a UNIX domain socket (see the description of
 .BR SCM_RIGHTS ,
 above).