diff --git a/common/src/api/external/mod.rs b/common/src/api/external/mod.rs
index de3706eb0f..bdbad4e1fd 100644
--- a/common/src/api/external/mod.rs
+++ b/common/src/api/external/mod.rs
@@ -726,7 +726,7 @@ pub struct Instance {
 
 // DISKS
 
-/// Client view of an [`Disk`]
+/// Client view of a [`Disk`]
 #[derive(ObjectIdentity, Clone, Debug, Deserialize, Serialize, JsonSchema)]
 pub struct Disk {
     #[serde(flatten)]
diff --git a/openapi/nexus.json b/openapi/nexus.json
index 2f0cbb242c..cbfb4f14d9 100644
--- a/openapi/nexus.json
+++ b/openapi/nexus.json
@@ -5304,7 +5304,7 @@
         ]
       },
       "Disk": {
-        "description": "Client view of an [`Disk`]",
+        "description": "Client view of a [`Disk`]",
         "type": "object",
         "properties": {
           "block_size": {