diff --git a/share/man/man3/sigevent.3 b/share/man/man3/sigevent.3
index e1f06f3074ca..fea8e621f3ea 100644
--- a/share/man/man3/sigevent.3
+++ b/share/man/man3/sigevent.3
@@ -34,7 +34,7 @@
 .Sh SYNOPSIS
 .In signal.h
 .Sh DESCRIPTION
-Some operations permit threads to request asychronous notification of events
+Some operations permit threads to request asynchronous notification of events
 via a
 .Vt struct sigevent
 structure.