Update LIGHT.md

Author: vassilis-panos

docs/LIGHT.md

@@ -3,7 +3,7 @@
 </p>
 
 For this platform to work, we need a .json file containing all the necessary IR or RF commands.
-Find your device's brand code [here](LIGHT.md#available-codes-for-light-devices) and add the number in the `device_code` field. The component will download it to the correct folder.  If your device is not working, you will need to learn your own codes and place the .json file in `smartir/codes/fan` subfolders. Please note that the `device_code` field only accepts positive numbers. The .json extension is not required.
+Find your device's brand code [here](LIGHT.md#available-codes-for-light-devices) and add the number in the `device_code` field. The component will download it to the correct folder.  If your device is not working, you will need to learn your own codes and place the .json file in `smartir/codes/light` subfolders. Please note that the `device_code` field only accepts positive numbers. The .json extension is not required.
 
 ## Configuration variables