message: Added doc comment to STS credentials-provider code example
diff: @@ -8,6 +8,8 @@ use std::sync::{Arc, Mutex};
  use std::time::{Duration, SystemTime};
  use sts::Credentials;
  +/// Implements a basic version of ProvideCredentials with AWS STS
  +/// and lists the tables in the region based on those credentials.
  #[tokio::main]
  async fn main() -> Result<(), dynamodb::Error> {
  tracing_subscriber::fmt::init();
  @@ -26,7 +28,7 @@ async fn main() -> Result<(), dynamodb::Error> {
  Ok(())
  }
  -/// This is a rough example of how you could implement ProvideCredentials with Sts
  +/// This is a rough example of how you could implement ProvideCredentials with Amazon STS.
  ///
  /// Do not use this in production! A high quality implementation is in the roadmap.
  #[derive(Clone)]
  