diff --git a/man2/fcntl.2 b/man2/fcntl.2
index 12b308192..c010a49e7 100644
--- a/man2/fcntl.2
+++ b/man2/fcntl.2
@@ -1257,7 +1257,7 @@ may live on a different machine.
 It is not possible to use
 .BR F_SETFL
 to change the state of the
-.BR O_DYSNC
+.BR O_DSYNC
 and
 .BR O_SYNC
 flags.