Add Flatpak usage notes to readme
@@ -57,11 +57,16 @@ sudo dnf install mangohud
#### Flatpak
-If you are using Flatpaks, you will have to add the [FlatHub repository](https://flatpak.org/setup/) for your specific distribution, and then, to install it, execute:
+If you are using Flatpaks, you will have to add the [Flathub repository](https://flatpak.org/setup/) for your specific distribution, and then, to install it, execute:
+##### For Steam flatpak
```
flatpak install com.valvesoftware.Steam.VulkanLayer.MangoHud
```
+To enable MangoHud for all Steam games:
+```
+flatpak override --user --env=MANGOHUD=1 com.valvesoftware.Steam
+```
# Normal usage
