Update README.md

README.md

@@ -123,7 +123,7 @@ In addition the following environment variables need to be set. For permanent co
 | Variable | Value | Reason |
 |---|---|---|
 | MOZ_DISABLE_RDD_SANDBOX | 1 | Disables the sandbox for the RDD process that the decoder runs in. |
-| LIBVA_DRIVER_NAME | nvidia | For libva versions prior to 2.15, this forces libva to load the `nvidia` backend. |
+| LIBVA_DRIVER_NAME | nvidia | Forces libva to load this driver. |
 | __EGL_VENDOR_LIBRARY_FILENAMES | /usr/share/glvnd/egl_vendor.d/10_nvidia.json | Required for the 470 driver series only. It overrides the list of drivers the glvnd library can use to prevent Firefox from using the MESA driver by mistake. |
 
 When libva is used it will log out some information, which can be excessive when Firefox initalises it multiple times per page. This logging can be suppressed by adding the following line to the `/etc/libva.conf` file: