diff --git a/lib/libc/sys/sigaction.2 b/lib/libc/sys/sigaction.2
--- a/lib/libc/sys/sigaction.2
+++ b/lib/libc/sys/sigaction.2
@@ -25,7 +25,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd June 29, 2020
+.Dd December 1, 2023
 .Dt SIGACTION 2
 .Os
 .Sh NAME
@@ -390,7 +390,7 @@
 .Fn fchown ,
 .Fn fchownat ,
 .Fn fcntl ,
-.Fn fork ,
+.Fn _Fork ,
 .Fn fstat ,
 .Fn fstatat ,
 .Fn fsync ,