diff --git a/README.md b/README.md
index e85e12485db2993b6a5b7898d167db671d2bd383..59604649cfb18c352fa104ce89e2b1239c9e57c2 100644
--- a/README.md
+++ b/README.md
@@ -18,14 +18,17 @@ You need to use a custom CSS template, like below to map your audio or MIDI even
 
 ```css
 body {
-    background-color:rgba(0,[mid,0,255],0,[loud,0,1]);
+    background-color:rgba(0,[mid 0:255],0,[loud 0:1]);
 }
 h1 {
     opacity: [note:C];
 }
 ```
+<p align="center">
+<img width="600" alt="Settings" src="./doc/settings.png">
+</p>
 
-To ***save*** your template, click on `Save` button or use keybind `CTRL`+`S`. To activate the extension, you can use `CTRL`+`O`.
+To ***save*** your template, it's automatic or use keybind `CTRL`+`S`. To activate the extension, you can use `CTRL`+`O`.
 
 ### MIDI Variables
 
@@ -54,10 +57,24 @@ For some audio or midi events, you can specify a range value. Just add `,<min>,<
 
 ```css
 a {
-  width: [hi,0,100]%;
+  width: [hi 0:100]%;
 }
 ```
 
+## User Interface
+
+### Popup
+
+![Popup view](doc/popup.png)
+
+### Devtool
+
+![Devtool view](doc/devtool.png)
+
+### Devtool deporté
+
+![Devtool view](doc/devtool_deporte.png)
+
 ## Looping
 
 ***- - WIP FEATURE - -***
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