Doc changes

src/callers/login.rs

@@ -750,7 +750,8 @@ pub async fn update_password(
         content_type = "application/json"
     ),
     responses(
-        (status = 200, description = "User login successful", body = response::UserUpdateNameResponse),
+        (status = 200, description = "Names were updated", body = response::UserUpdateNameResponse),
+        (status = 304, description = "Nothing to change", body = response::UserUpdateNameResponse),
         (status = 400, description = "Bad data", body = response::UserUpdateNameResponse),
         (status = 500, description = "Something went wrong", body = response::UserUpdateNameResponse)
     )
@@ -765,7 +766,7 @@ pub async fn update_name_of_user(
     let (valid_request, reason) = payload.is_valid();
     if !valid_request {
         (
-            axum::http::StatusCode::INTERNAL_SERVER_ERROR,
+            axum::http::StatusCode::BAD_REQUEST,
             axum::Json(response::UserUpdateNameResponse {
                 message: reason.unwrap_or_default(),
                 data: Vec::new(),