diff --git a/cddl/usr.sbin/zfsd/callout.h b/cddl/usr.sbin/zfsd/callout.h
index 554c98e32551..d6b83bcfe5f5 100644
--- a/cddl/usr.sbin/zfsd/callout.h
+++ b/cddl/usr.sbin/zfsd/callout.h
@@ -109,7 +109,7 @@ public:
 	 *
 	 * \param interval  Timeval indicating the time which must elapse
 	 *                  before this callout fires.
-	 * \param func      Pointer to the callback funtion
+	 * \param func      Pointer to the callback function
 	 * \param arg       Argument pointer to pass to callback function
 	 *
 	 * \return  Cancellation status.