source readme: Note pyserial dependency for other braille display drivers.

diff --git a/readme.txt b/readme.txt
index 6cef7a1..f9c6432 100644 (file)
--- a/readme.txt
+++ b/readme.txt
@@ -71,7 +71,7 @@ To use the Handy Tech braille display driver:
                * Copy these files from the SDK's prog directory into NVDA's source\brailleDisplayDrivers\handyTech directory: HtBrailleDriverServer.dll, HtBrailleDriverServer.tlb, sbsupport.dll, dealers.dat\r
        * If you want to be able to use this driver when running from source code, you will need to install the Handy Tech universal driver: ftp://ftp.handytech.de/public/Software/BrailleDriver/bsd1206a.exe\r
 \r
-To use the Baum braille display driver:\r
+To use the Baum, Brailliant B, hedo, Papenmeier and/or Seika braille display drivers:\r
        * pyserial (for Python 2.x), version 2.5 or later: http://pypi.python.org/pypi/pyserial\r
 \r
 To use the HIMS Braille Sense/Braille EDGE braille display driver:\r