diff --git a/lib/libc/gen/posix_spawn_file_actions_addopen.3 b/lib/libc/gen/posix_spawn_file_actions_addopen.3
index c46657854cbd..9cd47efb02da 100644
--- a/lib/libc/gen/posix_spawn_file_actions_addopen.3
+++ b/lib/libc/gen/posix_spawn_file_actions_addopen.3
@@ -190,7 +190,7 @@ is equal to
 .Fa newfildes
 (clearing
 .Dv FD_CLOEXEC ) .
-A future update of the Standard is expected to require this behavior,
+A future update of the Standard is expected to require this behavior.
 .Sh HISTORY
 The
 .Fn posix_spawn_file_actions_addopen ,