diff --git a/README.md b/README.md
index 8711b27..3f73697 100644
--- a/README.md
+++ b/README.md
@@ -7,3 +7,19 @@ This is a DIY Electronics project of mine to make a kitchen timer that perfectly
 This first step in this project is a mockup to prove the concept works and try to iron out a few interface issues before buying parts.
 
 ![screen capture](docs/kitchen_timer.png)
+
+### Lua Dev
+
+To run the mockup app:
+
+```shell
+$ cd kitchen_timer/l5-mockup
+$ love .
+```
+
+Or with hot reloading:
+
+```shell
+$ cd kitchen_timer/l5-mockup
+$ echo main.lua | entr -r /Applications/love.app/Contents/MacOS/love .
+```
diff --git a/l5-mockup/main.lua b/l5-mockup/main.lua
index 2bfbeff..e2f7ff7 100644
--- a/l5-mockup/main.lua
+++ b/l5-mockup/main.lua
@@ -1,19 +1,14 @@
 require("L5")
 
 function setup()
-  size(400, 400)
-
-  -- Set the program title
-  windowTitle("Basic sketch")
-
-  -- Sets print command output to display in window
-  printToScreen()
-
-  describe('Draws a yellow background')
+    size(480, 320) -- the size of the LCD screen
+    windowTitle("Kitchen Timer Mockup")
+    -- Sets print command output to display in window
+    printToScreen()
+    describe('Draws a yellow background!!!!')
 end
 
 function draw()
-  -- Fills the background with the color yellow
-  background(255, 215, 0)
+    -- Fills the background with the color yellow
+    background(255, 215, 0)
 end
-