diff --git a/dom/pimp-my-style_test.js b/dom/pimp-my-style_test.js
index 7f599152..ffd17da6 100644
--- a/dom/pimp-my-style_test.js
+++ b/dom/pimp-my-style_test.js
@@ -1,4 +1,4 @@
-import { styles } from './subjects/pimp-my-style/data.js'
+import { styles } from './subjects/pimp-my-style/pimp-my-style.data.js'
 
 export const tests = []
 
diff --git a/subjects/pimp-my-style/README.md b/subjects/pimp-my-style/README.md
index f76864c6..c7c24ec8 100644
--- a/subjects/pimp-my-style/README.md
+++ b/subjects/pimp-my-style/README.md
@@ -39,16 +39,16 @@ Click 6 --> <button class="button"></div>
 
 - [`classList`](https://developer.mozilla.org/en-US/docs/Web/API/Element/classList): `add()`, `remove()`, `toggle()`
 
-### Provided files
+### Files
 
-You have at your disposal the following files that you can download to test locally:
+You only need to create & submit the JS file `pimp-my-style.js` ; we're providing you the following files to download (click right and save link) & test locally:
 
-- the HTML file [index.html](/public/subjects/pimp-my-style/index.html) to open in the browser, which includes:
+- the HTML file [pimp-my-style.html](/public/subjects/pimp-my-style/pimp-my-style.html) to open in the browser, which includes:
 
   - the JS script running some code, and which will also allow to run yours
   - some CSS pre-styled classes: feel free to use those as they are, or modify them
 
-- the data file [data.js](/public/subjects/pimp-my-style/data.js) from which you can import `styles`
+- the data file [pimp-my-style.data.js](/public/subjects/pimp-my-style/pimp-my-style.data.js) from which you can import `styles`
 
 ### Expected result
 
diff --git a/subjects/pimp-my-style/data.js b/subjects/pimp-my-style/pimp-my-style.data.js
similarity index 100%
rename from subjects/pimp-my-style/data.js
rename to subjects/pimp-my-style/pimp-my-style.data.js
diff --git a/subjects/pimp-my-style/index.html b/subjects/pimp-my-style/pimp-my-style.html
similarity index 100%
rename from subjects/pimp-my-style/index.html
rename to subjects/pimp-my-style/pimp-my-style.html