diff --git a/share/man/man9/Makefile b/share/man/man9/Makefile
--- a/share/man/man9/Makefile
+++ b/share/man/man9/Makefile
@@ -1118,7 +1118,8 @@
 	fpu_kern.9 fpu_kern_thread.9 \
 	fpu_kern.9 is_fpu_kern_thread.9
 MLINKS+=g_attach.9 g_detach.9
-MLINKS+=g_bio.9 g_alloc_bio.9 \
+MLINKS+=g_bio.9 bio.9 \
+	g_bio.9 g_alloc_bio.9 \
 	g_bio.9 g_clone_bio.9 \
 	g_bio.9 g_destroy_bio.9 \
 	g_bio.9 g_duplicate_bio.9 \
diff --git a/share/man/man9/g_bio.9 b/share/man/man9/g_bio.9
--- a/share/man/man9/g_bio.9
+++ b/share/man/man9/g_bio.9
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd August 7, 2019
+.Dd July 31, 2023
 .Dt G_BIO 9
 .Os
 .Sh NAME
@@ -33,7 +33,8 @@
 .Nm g_destroy_bio ,
 .Nm g_format_bio ,
 .Nm g_print_bio ,
-.Nm g_reset_bio
+.Nm g_reset_bio ,
+.Nm bio
 .Nd "GEOM bio controlling functions"
 .Sh SYNOPSIS
 .In sys/bio.h