diff --git a/app.py b/app.py
index 8f99a3b..76efb1f 100644
--- a/app.py
+++ b/app.py
@@ -52,7 +52,8 @@ class SignControlGUI(tk.Tk):
         hint = (
             "Templates: {scrollon} {scrolloff} {blinkon} {blinkoff} "
             "{left} {center} {right} {erase} {serialnum} {bell} "
-            "{red} {green} {yellow}"
+            "{red} {green} {yellow} {font <name>}"
+            "\nFonts: normal_7 normal_5 bold_7 monospace"
         )
         ttk.Label(
             self,