diff --git a/extras/qt-tray/README.txt b/extras/qt-tray/README.txt
index f7c47ba..2899714 100644
--- a/extras/qt-tray/README.txt
+++ b/extras/qt-tray/README.txt
@@ -3,3 +3,9 @@ Build with 'qmake' and then 'make'
 
 Requires QT version 5.4 or above
 
+To install copy the binary in your PATH
+then all contents of pixmaps to /usr/share/pixmaps
+and all contents of i18n to /usr/share/i18n
+
+The prefix /usr/local may be preferred if ever packaged.
+