diff --git a/crates/relay-client/src/lib.rs b/crates/relay-client/src/lib.rs
index ba6e23a..267f086 100644
--- a/crates/relay-client/src/lib.rs
+++ b/crates/relay-client/src/lib.rs
@@ -242,6 +242,8 @@ impl Connection {
     /// This function will connect to the relay server if it's not already
     /// connected, and will send and receive messages from the relay server
     /// if it's connected.
+    ///
+    /// This function will not block the current thread.
     pub fn update(&mut self) {
         self.state = match std::mem::replace(&mut self.state, ConnectionState::Disconnected) {
             ConnectionState::Disconnected => self.create_stream(),