diff --git a/Start-X-program-in-terminal-at-boot-without-x-desktop.md b/Start-X-program-in-terminal-at-boot-without-x-desktop.md
index d325728..76042dc 100644
--- a/Start-X-program-in-terminal-at-boot-without-x-desktop.md
+++ b/Start-X-program-in-terminal-at-boot-without-x-desktop.md
@@ -6,4 +6,6 @@ So, you should be able to do:
 
 `startx /path/to/your/program`
 
-Note: I haven't tested this in a while. It used to work, back in the good old days before Linux decided to try to become Windows.
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+Note: I haven't tested this in a while. It used to work, back in the good old days before Linux decided to try to become Windows.
+
+[source](https://www.raspberrypi.org/forums/viewtopic.php?t=73585)
\ No newline at end of file