1 files changed, 2 insertions, 1 deletions
diff --git a/README b/README
index 31b78fe..2918cfd 100644
--- a/README
+++ b/README
@@ -41,4 +41,5 @@ form of tyranny over the mind of man."
 
 Each tool is written in around 200 lines of portable C code, with no
 dependencies beyond libc. They should work well on Linux, BSDs, OSX
-and Windows.
+and Windows. There is also an optional graphical interface, written
+in Tcl/Tk.