message: correct upload comment
diff: @@ -50,7 +50,7 @@ pub fn upload_files(
  if pairs.len() > 0 {
  let client = kv::api_client(user)?;
  // Iterate over all key-value pairs and create batches of uploads, each of which are
  - // maximum 10K key-value pairs in size OR maximum ~50MB in size. Upload each batch
  + // maximum 5K key-value pairs in size OR maximum ~50MB in size. Upload each batch
  // as it is created.
  let mut key_count = 0;
  let mut key_pair_bytes = 0;
  