diff --git a/README.md b/README.md
index 53b0df56..8752f604 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,7 @@ It comes in two flavors, command-line and GUI.  Both are able to list the
 devices paired to a Unifying Receiver, show detailed info for each device, and
 also pair/unpair supported devices with the receiver.
 
+[unifying]: http://logitech.com/en-us/66/6079
 
 ## Supported Devices
 
@@ -28,7 +29,7 @@ Pre-built packages are available for a few Linux distros:
 * an [Arch package][arch], courtesy of Arnaud Taffanel
 
 [ppa]: http://launchpad.net/~daniel.pavel/+archive/solaar
-[debian]: http://pwr.github.io/Solaar/packages/solaar_0.8.8-3_all.deb
+[debian]: http://pwr.github.io/Solaar/packages/solaar_0.8.8.1-2_all.deb
 [gentoo]: http://code.r3pek.org/gentoo-overlay/src
 [opensuse]: http://software.opensuse.org/package/Solaar
 [arch]: http://aur.archlinux.org/packages/solaar
@@ -51,6 +52,8 @@ procedure for manual installation.
 - Devices connected throught a [Nano Receiver][nano] (which is very similar to
   the Unifying Receiver) are not supported at this time.
 
+[nano]: http://logitech.com/mice-pointers/articles/5926
+
 - Running the command-line application (`bin/solaar-cli`) while the GUI
   application is also running *may* occasionally cause either of them to become
   confused about the state of the devices. I haven't encountered this often
@@ -74,8 +77,3 @@ who also provided some internal
 
 Also thanks to Douglas Wagner, Julien Gascard and Peter Wu for helping with
 application testing and supporting new devices.
-
---
-
-[unifying]: http://logitech.com/en-us/66/6079
-[nano]: http://logitech.com/mice-pointers/articles/5926
diff --git a/docs/devices.md b/docs/devices.md
index 7a5c3956..4da36157 100644
--- a/docs/devices.md
+++ b/docs/devices.md
@@ -1,3 +1,7 @@
+---
+title: Supported devices
+---
+
 **Solaar** will detect all devices paired with your Unifying Receiver, and at
 the very least display some basic information about them.
 
@@ -86,14 +90,14 @@ Mouse-Keyboard combos:
 | Device           | HID++ | Battery | Other supported features                |
 |------------------|-------|---------|-----------------------------------------|
 | MK330            |       |         |                                         |
+| MK520            |       |         |                                         |
+| MK550            |       |         |                                         |
 | MK710            | 1.0   | yes     | FN swap                                 |
 
 
 The information in these tables is incomplete, based on what devices myself and
 other users have been able to test Solaar with.
 
---
-
 [unifying]: http://logitech.com/en-us/66/6079
 [K750]: http://logitech.com/product/k750-keyboard
 [K800]: http://logitech.com/product/wireless-illuminated-keyboard-k800
diff --git a/docs/installation.md b/docs/installation.md
index 9dbcd7e1..e6b1128c 100644
--- a/docs/installation.md
+++ b/docs/installation.md
@@ -1,4 +1,6 @@
-## Manual instalation
+---
+title: Manual installation
+---
 
 ### Requirements
 
@@ -40,3 +42,10 @@ required steps by hand, as the root user:
   new rule
 
 3. physically remove the Unifying Receiver, wait 10 seconds and re-insert it
+
+  This is necessary because if the receiver is already plugged-in, it already
+  has a `/dev/hidraw?` device node, but with the old (`root:root`) permissions.
+  Plugging it again will re-create the device node with the right permissions.
+
+4. make sure your desktop users are part of the `plugdev` group, by running
+`adduser <linux user> plugdev` as root
diff --git a/packaging/debian/changelog b/packaging/debian/changelog
index ccd571bb..70cfa4e9 100644
--- a/packaging/debian/changelog
+++ b/packaging/debian/changelog
@@ -1,5 +1,5 @@
-solaar (0.8.8.1-1) UNRELEASED; urgency=low
+solaar (0.8.8.1-2) UNRELEASED; urgency=low
 
   * Debian packaging scripts, supports ubuntu ppa as well.
 
- -- Daniel Pavel <daniel.pavel@gmail.com>  Fri, 19 May 2013 04:00:00 +0200
+ -- Daniel Pavel <daniel.pavel@gmail.com>  Mon, 20 May 2013 12:05:00 +0200