diff --git a/README.md b/README.md
index 2016ebad..fef238b8 100644
--- a/README.md
+++ b/README.md
@@ -128,7 +128,7 @@ Variant designed for usage as an alternative to SteamOS on the Steam Deck, and f
 - Default-disabled power-user features, including:
     - Service for low-risk undervolting of the Steam Deck as well as AMD Framework Laptops via [RyzenAdj](https://github.com/FlyGoat/RyzenAdj) and [Ryzen SMU](https://gitlab.com/leogx9r/ryzen_smu), see `ryzenadj.service` and `/etc/default/ryzenadj`.
     - Service for limiting the max charge level of the battery, see `batterylimit.service` and `/etc/default/batterylimit`. <sup><sub>(Works even when the device is off)</sub></sup>
-    - Built in support for display overclocking. For example, add `GAMESCOPE_OVERRIDE_REFRESH_RATE=40,70` to `/etc/environment`.
+    - Built in support for display overclocking. For example, add `CUSTOM_REFRESH_RATES=30-68` to `/etc/environment`. Minimum and maximum refresh rates differ per handheld!
     - 32GB RAM mod your Steam Deck? Enjoy double the maximum VRAM amount, automatically applied. <sup><sub>(Can you share your soldering skills?)</sub></sup>
 - Steam Deck hardware-specific services can be disabled by running `ujust disable-bios-updates` and `ujust disable-firmware-updates` in the terminal. These are automatically disabled on non-Deck hardware, and on Decks with DeckHD displays or 32GB RAM mods.
 - More information can be found [here](https://ublue-os.github.io/bazzite/Handheld_and_HTPC_edition/Steam_Gaming_Mode/) on the Bazzite Steam Deck images.