===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/ssh_config.5,v
retrieving revision 1.285
retrieving revision 1.286
diff -u -r1.285 -r1.286
--- src/usr.bin/ssh/ssh_config.5	2018/09/21 12:46:22	1.285
+++ src/usr.bin/ssh/ssh_config.5	2018/10/03 06:38:35	1.286
@@ -33,8 +33,8 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.\" $OpenBSD: ssh_config.5,v 1.285 2018/09/21 12:46:22 djm Exp $
-.Dd $Mdocdate: September 21 2018 $
+.\" $OpenBSD: ssh_config.5,v 1.286 2018/10/03 06:38:35 djm Exp $
+.Dd $Mdocdate: October 3 2018 $
 .Dt SSH_CONFIG 5
 .Os
 .Sh NAME
@@ -877,6 +877,10 @@
 is specified, the location of the socket will be read from the
 .Ev SSH_AUTH_SOCK
 environment variable.
+Otherwise if the specified value begins with a
+.Sq $
+character, then it will be treated as an environment variable containing
+the location of the socket.
 .Pp
 Arguments to
 .Cm IdentityAgent