diff --git a/index.d.ts b/index.d.ts
index 40797aa3..7b259f72 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -44,7 +44,7 @@ export interface WebSocket {
     /** Sends a message. Make sure to check getBufferedAmount() before sending. Returns true for success, false for built up backpressure that will drain when time is given.
      * Returning false does not mean nothing was sent, it only means backpressure was built up. This you can check by calling getBufferedAmount() afterwards.
      *
-     * Make sure you properly understand the contept of backpressure. Check the backpressure example file.
+     * Make sure you properly understand the concept of backpressure. Check the backpressure example file.
      */
     send(message: RecognizedString, isBinary?: boolean, compress?: boolean) : boolean;
 
diff --git a/source_commit b/source_commit
index 64791ca4..2c339067 100644
--- a/source_commit
+++ b/source_commit
@@ -1 +1 @@
-acbddcd888343a3c04f72b9775c3b381c31d3b5c
+bf289ee54e0d7e69ca1e99624fbb5a31babd2f80