diff --git a/share/man/man5/src.conf.5 b/share/man/man5/src.conf.5
index 2fce2a9ad86d..08e08c5c6160 100644
--- a/share/man/man5/src.conf.5
+++ b/share/man/man5/src.conf.5
@@ -276,6 +276,8 @@ When set, it also enforces the following options:
 .Bl -item -compact
 .It
 .Va WITHOUT_CLANG_EXTRAS
+.It
+.Va WITHOUT_CLANG_IS_CC
 .El
 .It Va WITH_CLANG
 .\" from FreeBSD: head/tools/build/options/WITH_CLANG 221730 2011-05-10 11:14:40Z ru
@@ -286,6 +288,15 @@ amd64/amd64, i386/i386, pc98/i386, powerpc/powerpc and powerpc/powerpc64.
 .It Va WITH_CLANG_EXTRAS
 .\" from FreeBSD: head/tools/build/options/WITH_CLANG_EXTRAS 231057 2012-02-05 23:56:22Z dim
 Set to build additional clang and llvm tools, such as bugpoint.
+.It Va WITH_CLANG_IS_CC
+.\" from FreeBSD: head/tools/build/options/WITH_CLANG_IS_CC 232322 2012-02-29 22:58:51Z dim
+Set to install the Clang C/C++ compiler as
+.Pa /usr/bin/cc
+,
+.Pa /usr/bin/c++
+and
+.Pa /usr/bin/cpp
+.
 .It Va WITHOUT_CPP
 .\" from FreeBSD: head/tools/build/options/WITHOUT_CPP 156932 2006-03-21 07:50:50Z ru
 Set to not build
@@ -342,6 +353,8 @@ When set, it also enforces the following options:
 .It
 .Va WITHOUT_CLANG
 .It
+.Va WITHOUT_CLANG_IS_CC
+.It
 .Va WITHOUT_GROFF
 .El
 .It Va WITHOUT_DICT
@@ -948,6 +961,8 @@ When set, it also enforces the following options:
 .It
 .Va WITHOUT_CLANG
 .It
+.Va WITHOUT_CLANG_IS_CC
+.It
 .Va WITHOUT_GCC
 .It
 .Va WITHOUT_GDB