diff --git a/wgpu/src/settings.rs b/wgpu/src/settings.rs
index 4a1bb322..6c97d895 100644
--- a/wgpu/src/settings.rs
+++ b/wgpu/src/settings.rs
@@ -47,6 +47,7 @@ impl Settings {
     ///     - `dx11`
     ///     - `gl`
     ///     - `webgpu`
+    ///     - `primary`
     pub fn from_env() -> Self {
         Settings {
             internal_backend: backend_from_env()