diff --git a/share/man/man4/dtrace_lockstat.4 b/share/man/man4/dtrace_lockstat.4
index 95fe5ea1aac..efbf558c738 100644
--- a/share/man/man4/dtrace_lockstat.4
+++ b/share/man/man4/dtrace_lockstat.4
@@ -198,7 +198,7 @@ probe fires when a thread successfully upgrades a held
 read lock to a write lock.
 The
 .Fn lockstat:::rw-downgrade
-probe first when a thread downgrades a held
+probe fires when a thread downgrades a held
 .Xr rwlock 9
 write lock to a read lock.
 The only argument is a pointer to the structure which describes
@@ -226,7 +226,7 @@ waiting to acquire a
 .Xr sx 9 .
 The
 .Fn lockstat:::sx-spin
-probe first when a thread spins while waiting to acquire a
+probe fires when a thread spins while waiting to acquire a
 .Xr sx 9 .
 Both probes take the same set of arguments.
 The first argument is a pointer to the lock structure that describes