diff --git a/share/man/man9/sbuf.9 b/share/man/man9/sbuf.9
index 5ab045118f51..d4ffa050a893 100644
--- a/share/man/man9/sbuf.9
+++ b/share/man/man9/sbuf.9
@@ -23,7 +23,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd August 26, 2020
+.Dd October 3, 2023
 .Dt SBUF 9
 .Os
 .Sh NAME
@@ -60,6 +60,8 @@
 .Nm sbuf_printf_drain ,
 .Nm sbuf_putbuf
 .Nd safe string composition
+.Sh LIBRARY
+.Lb libsbuf
 .Sh SYNOPSIS
 .In sys/types.h
 .In sys/sbuf.h