[docs] Fix quickstart command in pigment docs (#44806)

Co-authored-by: Ale <[email protected]>

docs/data/material/experimental-api/pigment-css/pigment-css.md

@@ -30,7 +30,7 @@ cd pigment-css-nextjs-ts
 ```
 
 ```bash Vite
-curl https://codeload.github.com/mui/pigment-css/tar.gz/master | tar -xz --strip=2 pigment-css/examples/pigment-css-vite-ts
+curl https://codeload.github.com/mui/pigment-css/tar.gz/master | tar -xz --strip=2 pigment-css-master/examples/pigment-css-vite-ts
 cd pigment-css-vite-ts
 ```