diff --git a/doc/man/tor.1.txt b/doc/man/tor.1.txt
index 3538d94b8e..4b34790e00 100644
--- a/doc/man/tor.1.txt
+++ b/doc/man/tor.1.txt
@@ -2794,6 +2794,13 @@ details.)
     but one DirPort must have the **NoAdvertise** flag set. (Default: 0) +
      +
     The same flags are supported here as are supported by ORPort.
+     +
+    As of Tor 0.4.6.1-alpha, non authoritative relays (see
+    AuthoritativeDirectory) will not publish the DirPort but will still listen
+    on it so to avoid any unknown issues by closing all the sudden all
+    DirPorts on the network for most relays. We expect relays to stop
+    listening at some point in future stable releases. It is thus safe for you
+    to remove the DirPort from your torrc configuration.
 
 [[DirPortFrontPage]] **DirPortFrontPage** __FILENAME__::
     When this option is set, it takes an HTML file and publishes it as "/" on