diff --git a/proxmox-api-macro/tests/types.rs b/proxmox-api-macro/tests/types.rs
index cc163641..82a4ca50 100644
--- a/proxmox-api-macro/tests/types.rs
+++ b/proxmox-api-macro/tests/types.rs
@@ -23,7 +23,7 @@ impl OkString {
         .schema();
 }
 
-#[api(description: "A selection of either A, B or C")]
+#[api(description: "A selection of either a, B or C")]
 #[derive(Deserialize)]
 pub enum Selection {
     #[serde(rename = "a")]