Fix typo in lightning-net-tokio crate description.

Author: TheBlueMatt

lightning-net-tokio/Cargo.toml

@@ -6,7 +6,7 @@ license = "Apache-2.0"
 edition = "2018"
 description = """
 Implementation of the rust-lightning network stack using Tokio.
-For Rust-Lightning clients which wish to make direct connections to Lightning P2P nodes, this is a simple alternative to implementing the nerequired network stack, especially for those already using Tokio.
+For Rust-Lightning clients which wish to make direct connections to Lightning P2P nodes, this is a simple alternative to implementing the required network stack, especially for those already using Tokio.
 """
 
 [dependencies]