diff --git a/admin_manual/configuration_files/external_storage_configuration.rst b/admin_manual/configuration_files/external_storage_configuration.rst
index aea81981e..de319dd3d 100644
--- a/admin_manual/configuration_files/external_storage_configuration.rst
+++ b/admin_manual/configuration_files/external_storage_configuration.rst
@@ -1,3 +1,4 @@
+=================================================
 Configuring External Storage (Configuration File)
 =================================================
 
@@ -134,7 +135,7 @@ filesystem and is part of the ‘External storage support’ app, the class
 to be used is **\\OC\\Files\\Storage\\FTP**\  and takes the following
 options:
 
--  **host**: the hostname of the ftp server
+-  **host**: the hostname of the ftp server, and optionally the port number
 -  **user**: the username used to login on the ftp server
 -  **password**: the password to login on the ftp server
 -  **secure**: whether to use ftps:// (FTP over TLS) to connect to the ftp
@@ -150,7 +151,7 @@ Example
 
     {   "class":"\\OC\\Files\\Storage\\FTP",
         "options":{
-            "host":"ftp.myhost.com",
+            "host":"ftp.myhost.com:21",
             "user":"johndoe",
             "password":"secret",
             "root":"\/Videos",
diff --git a/admin_manual/configuration_files/external_storage_configuration_gui.rst b/admin_manual/configuration_files/external_storage_configuration_gui.rst
index 305bf3937..655bf1266 100644
--- a/admin_manual/configuration_files/external_storage_configuration_gui.rst
+++ b/admin_manual/configuration_files/external_storage_configuration_gui.rst
@@ -1,3 +1,4 @@
+==================================
 Configuring External Storage (GUI)
 ==================================
 
@@ -166,7 +167,7 @@ FTP/FTPS/SFTP
 Connecting to an FTP server requires:
 
 * Whatever name you want for your local mountpoint.
-* The URL of your FTP server.
+* The URL of your FTP server, and optionally the port number.
 * FTP server username and password.
 * Remote Subfolder, the FTP directory to mount in ownCloud. ownCloud defaults to the root 
   directory. When you specify a different directory you must leave off the 
diff --git a/admin_manual/images/external-storage-ftp.png b/admin_manual/images/external-storage-ftp.png
index 7c73b33a8..2e0c88b85 100644
Binary files a/admin_manual/images/external-storage-ftp.png and b/admin_manual/images/external-storage-ftp.png differ