diff --git a/react/MuiCozyTheme/Switch/Readme.md b/react/MuiCozyTheme/Switch/Readme.md
index 5122f89db1..53617ff945 100644
--- a/react/MuiCozyTheme/Switch/Readme.md
+++ b/react/MuiCozyTheme/Switch/Readme.md
@@ -1,5 +1,7 @@
 Used to present a binary choice to the user.
 
+Uses [Material UI's Switch](https://material-ui.com/components/switches/).
+
 ```
 import MuiCozyTheme from '..'
 import CozyTheme from '../../CozyTheme'