diff --git a/README.md b/README.md
index cd90c3d..cb7fa9e 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,23 @@
 # openBrowser
-openBrowser is a Sublime Text Plug-in who generate a new key bidings.
+openBrowsser is a Sublime Text plug-in, which allows you to add a keyboard shortcut, to directly access a website from a selection.
+
+# Install packages
+...
+
+# Install key
+In Sublime Text, you go to `Preferences > Key Bindings`, and on the right you add :
+```JSON
+{
+        "keys" : ["ctrl+alt+g"],
+        "command": "open_browser",
+        "args": {
+            "url": "https://docs.python.org/library/%s"
+        }
+    },
+```
+`ctral+alt+g` and `https://docs.python.org/library/%s` are examples, you can replace them.
+
+- %s : the selection
+
+# Use
+Now, if you select a text, a word... and that you do (with the example above) 'ctrl+alt+g', you will be redirected to the page https://docs.python.org/library/ plus the selection.