diff --git a/module_dfu/doc/building_xmos_dfu.rst b/module_dfu/doc/building_xmos_dfu.rst
index 64716c4e..fe34c9e0 100644
--- a/module_dfu/doc/building_xmos_dfu.rst
+++ b/module_dfu/doc/building_xmos_dfu.rst
@@ -3,7 +3,7 @@
 Building the XMOS DFU loader - OS X
 ===================================
 
-The XMOS DFU loader is provided as source provided as part of the USB Audio
+The XMOS DFU loader is provided as source as part of the USB Audio
 framework, located in sc_usb_audio/module_dfu/host/xmos_dfu_osx.
 
 The loader is compiled using libusb, the code for the loader is contained in the
diff --git a/module_dfu/doc/factory_image.rst b/module_dfu/doc/factory_image.rst
index b93f501d..e977eed7 100644
--- a/module_dfu/doc/factory_image.rst
+++ b/module_dfu/doc/factory_image.rst
@@ -25,11 +25,11 @@ Use the XMOS Development Tools to run the command:
   Where:
 
   - loader size = 0x1000 bytes, or 0x4000 bytes if secure boot functionality is
-    used
+    used (for tools version 13.1.0 and older)
   - maximum size of factory image = number of xCORE tiles *
     xCORE SRAM size
   - maximum size of upgrade images = (number of xCORE tiles *
-    xCORE SRAM size) * number of concurrent images to be held in flash
+    xCORE SRAM size) * number of images to be held in flash concurrently
 
   The above example sets the boot partition to a size appropriate for designs
   based on a single xCORE tile, where a single upgrade image is required
diff --git a/module_dfu/doc/thesycon_dfu.rst b/module_dfu/doc/thesycon_dfu.rst
index 4c9b89b4..4d77a13c 100644
--- a/module_dfu/doc/thesycon_dfu.rst
+++ b/module_dfu/doc/thesycon_dfu.rst
@@ -4,7 +4,7 @@ Using the DFU loader - Windows (via the Thesycon driver)
 Thesycon provide both GUI and CLI DFU tools, TUSBAudioDfu.exe and dfucons.exe
 respectively. The use of the GUI tool is not covered by this document.
 
-The correct installation of the Thesycon driver and DFU tools is out of
+The correct installation of the Thesycon driver and DFU tools exceeds
 the scope of this document.
 
 Set up the image loader
diff --git a/module_dfu/doc/xmos_dfu.rst b/module_dfu/doc/xmos_dfu.rst
index 772cc4a8..086939c8 100644
--- a/module_dfu/doc/xmos_dfu.rst
+++ b/module_dfu/doc/xmos_dfu.rst
@@ -46,7 +46,4 @@ new firmware, run the command:
 
   ``./xmosdfu --revertfactory``
 
-The device will now only contain the factory firmware and will be running as an
-audio 2 device again.
-
 The device will now be running, and only contain the factory firmware.