fix: outdated README

README.md

@@ -61,7 +61,12 @@ for n in nodes.data {
 ### `tokio` support
 
 This client supports nonblocking API using the [`tokio`](https://tokio.rs/) runtime.
-The `tokio` feature is enabled by default.
+It can be enabled like so:
+
+```toml
+falkordb = { version = "0.1", features = ["tokio"] }
+```
+
 Currently, this API requires running within a [`multi_threaded tokio scheduler`](https://docs.rs/tokio/latest/tokio/runtime/index.html#multi-thread-scheduler), and does not support the `current_thread` one, but this will probably be supported in the future.
 
 The API uses an almost identical API, but the various functions need to be awaited: