diff --git a/README.md b/README.md
index 0c79463..50388bc 100644
--- a/README.md
+++ b/README.md
@@ -106,6 +106,7 @@ How it works
   To function, Mosh requires UDP datagrams to be passed between client
   and server. By default, `mosh` uses a port number between 60000 and
   61000, but the user can select a particular port with the -p option.
+  Please note that the -p option has no effect on the port used by SSH.
 
 Advice to distributors
 ----------------------
diff --git a/macosx/readme.rtf b/macosx/readme.rtf
index 92841aa..dc53e86 100644
--- a/macosx/readme.rtf
+++ b/macosx/readme.rtf
@@ -92,7 +92,7 @@ From this point,
 If the client changes IP addresses, the server will begin sending to the client on the new IP address within a few seconds.\
 To function, Mosh requires UDP datagrams to be passed between client and server. By default, 
 \f1\fs24 \cb3 mosh
-\f0\fs28 \cb1  uses a port number between 60000 and 61000, but the user can select a particular port with the -p option.\
+\f0\fs28 \cb1  uses a port number between 60000 and 61000, but the user can select a particular port with the -p option. Please note that the -p option has no effect on the port used by SSH.\
 \pard\pardeftab720\sa200
 
 \b\fs48 \cf0 More info\
diff --git a/man/mosh.1 b/man/mosh.1
index d163206..a71c100 100644
--- a/man/mosh.1
+++ b/man/mosh.1
@@ -191,9 +191,8 @@ for example, if this is the
 only port that is forwarded through a firewall to the
 server. With \fB\-p 0\fP, the server will let the operating system pick an
 available UDP port. Otherwise, \fBmosh\fP will choose a port between 60000 and
-61000.
-
-
+61000. Please note that this option does not affect the server-side
+port used by SSH.
 
 .TP
 .B \-\-bind\-server={ssh|any|\fIIP\fP}
diff --git a/scripts/mosh.pl b/scripts/mosh.pl
index 9d84a51..25745be 100755
--- a/scripts/mosh.pl
+++ b/scripts/mosh.pl
@@ -105,6 +105,7 @@ qq{Usage: $0 [options] [--] [user@]host [command...]
         --family=prefer-inet6 use all network types, but try IPv6 first
 -p PORT[:PORT2]
         --port=PORT[:PORT2]  server-side UDP port or range
+                                (No effect on server-side SSH port)
         --bind-server={ssh|any|IP}  ask the server to reply from an IP address
                                        (default: "ssh")