diff --git a/share/man/man5/src.conf.5 b/share/man/man5/src.conf.5
index 869eccd03a49..856002bd1938 100644
--- a/share/man/man5/src.conf.5
+++ b/share/man/man5/src.conf.5
@@ -1,5 +1,5 @@
 .\" DO NOT EDIT-- this file is @generated by tools/build/options/makeman.
-.Dd June 19, 2023
+.Dd July 7, 2023
 .Dt SRC.CONF 5
 .Os
 .Sh NAME
@@ -1463,6 +1463,8 @@ Build profiled libraries for use with
 .Xr gprof 8 .
 This option is deprecated and may not be present in a future version of
 .Fx .
+.It Va WITHOUT_PTHREADS_ASSERTIONS
+Disable debugging assertions in pthreads library.
 .It Va WITHOUT_QUOTAS
 Do not build
 .Xr quota 1