diff --git a/README.md b/README.md
index befb23f..87e893a 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,18 @@
 # JavaScript Timer
-Objective : Make a timer in JavaScript
\ No newline at end of file
+
+Objective : Make a timer in JavaScript
+
+[Link to demo](https://lucasvbr.github.io/javascript-timer/?time=300)
+
+## Installation
+
+-   **Download** the repository and **execute** the `index.htm` file in your navigator
+
+-   To set time, you need to edit the url and add `?time=<number_of_seconds>`
+    Example :
+
+    ```url
+    https://lucasvbr.github.io/javascript-timer/index.htm?time=500
+    ```
+
+    
diff --git a/js/timer.js b/js/timer.js
index 387d10b..605c49a 100644
--- a/js/timer.js
+++ b/js/timer.js
@@ -1,3 +1,5 @@
+// NOT USED CURRENTLY
+
 class Timer {
     
     /**