Update README.md

README.md

@@ -62,14 +62,15 @@ To build sfu crate:
 cargo build [or clippy or test or fmt]
 ```
 
-To build sfu-based chat example:
+To build chat examples:
 
 ```
-cargo run --package sfu --example chat
+cargo run --package sfu --example sync_chat
+cargo run --package sfu --example async_chat
 ```
 
 ## Open Source License
 Dual licensing under both MIT and Apache-2.0 is the currently accepted standard by the Rust language community and has been used for both the compiler and many public libraries since (see https://doc.rust-lang.org/1.6.0/complement-project-faq.html#why-dual-mitasl2-license). In order to match the community standards, SFU.rs is using the dual MIT+Apache-2.0 license.
 
 ## Contributing
-Contributors or Pull Requests are Welcome!!!
+Contributors or Pull Requests are Welcome!!!