diff --git a/contrib/mandoc/st.c b/contrib/mandoc/st.c
index 266df0081a95..cb6bf3303126 100644
--- a/contrib/mandoc/st.c
+++ b/contrib/mandoc/st.c
@@ -56,6 +56,7 @@ LINE("-isoC-tcor1",	"ISO/IEC 9899/TCOR1:1994 (\\(lqISO\\~C90, Technical Corrigen
 LINE("-isoC-tcor2",	"ISO/IEC 9899/TCOR2:1995 (\\(lqISO\\~C90, Technical Corrigendum 2\\(rq)")
 LINE("-isoC-99",	"ISO/IEC 9899:1999 (\\(lqISO\\~C99\\(rq)")
 LINE("-isoC-2011",	"ISO/IEC 9899:2011 (\\(lqISO\\~C11\\(rq)")
+LINE("-isoC-2024",	"ISO/IEC 9899:2024 (\\(lqISO\\~C23\\(rq)")
 LINE("-iso9945-1-90",	"ISO/IEC 9945-1:1990 (\\(lqPOSIX.1\\(rq)")
 LINE("-iso9945-1-96",	"ISO/IEC 9945-1:1996 (\\(lqPOSIX.1\\(rq)")
 LINE("-iso9945-2-93",	"ISO/IEC 9945-2:1993 (\\(lqPOSIX.2\\(rq)")
@@ -79,6 +80,7 @@ LINE("-susv1",		"Version\\~1 of the Single UNIX Specification (\\(lqSUSv1\\(rq)"
 LINE("-susv2",		"Version\\~2 of the Single UNIX Specification (\\(lqSUSv2\\(rq)")
 LINE("-susv3",		"Version\\~3 of the Single UNIX Specification (\\(lqSUSv3\\(rq)")
 LINE("-susv4",		"Version\\~4 of the Single UNIX Specification (\\(lqSUSv4\\(rq)")
+LINE("-svid1",		"System\\~V Interface Definition, First Edition (\\(lqSVID1\\(rq)")
 LINE("-svid4",		"System\\~V Interface Definition, Fourth Edition (\\(lqSVID4\\(rq)")
 
 	return NULL;
diff --git a/lib/libc/string/memccpy.3 b/lib/libc/string/memccpy.3
index 3bdae24354c1..2de981449119 100644
--- a/lib/libc/string/memccpy.3
+++ b/lib/libc/string/memccpy.3
@@ -80,16 +80,14 @@ The
 function conforms to
 .St -p1003.1-2004
 and
-.\" St -isoC-2024 .
-ISO/IEC 9899:2024 (\(lqISO\~C23\(rq).
+.St -isoC-2024 .
 .Sh HISTORY
 The
 .Fn memccpy
 function first appeared in
 .Bx 4.4
 and was first specified in the
-.\" St -svid1 .
-System\~V Interface Definition, First Edition (\(lqSVID1\(rq).
+.St -svid1 .
 The
 .Ft restrict
 keyword was added to the prototype in