diff --git a/src/calibre/manual/faq.rst b/src/calibre/manual/faq.rst
index ced6a6a76e..bd4c0f51c7 100644
--- a/src/calibre/manual/faq.rst
+++ b/src/calibre/manual/faq.rst
@@ -142,7 +142,7 @@ Follow these steps to find the problem:
 My device is non-standard or unusual. What can I do to connect to it?
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-In addition to the :guilabel:`Connect to Folder` function found under the Connect/Share button, |app| provides a ``User Defined`` device plugin that can be used to connect to any USB device that shows up as a disk drive in your operating system. Note: on windows, the device must have a drive letter for calibre to use it. See the device plugin ``Preferences -> Plugins -> Device Plugins -> User Defined`` and ``Preferences -> Miscellaneous -> Get information to setup the user defined device`` for more information.
+In addition to the :guilabel:`Connect to Folder` function found under the Connect/Share button, |app| provides a ``User Defined`` device plugin that can be used to connect to any USB device that shows up as a disk drive in your operating system. Note: on windows, the device must have a drive letter for calibre to use it. See the device plugin ``Preferences -> Plugins -> Device Plugins -> User Defined`` and ``Preferences -> Miscellaneous -> Get information to setup the user defined device`` for more information. Note that if you are using the user defined plugin for a device normally detected by a builtin |app| plugin, you must disable the builtin plugin first, so that your user defined plugin is used instead.
 
 How does |app| manage collections on my SONY reader?
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