diff --git a/lib/libwebsockets.h b/lib/libwebsockets.h
index 28e649c6..5ad749dd 100644
--- a/lib/libwebsockets.h
+++ b/lib/libwebsockets.h
@@ -836,7 +836,8 @@ libwebsocket_context_user(struct libwebsocket_context *context);
  *   // fill your part of the buffer... for example here it's all zeros
  *   memset(&buf[LWS_SEND_BUFFER_PRE_PADDING], 0, 128);
  *
- *   libwebsocket_write(wsi, &buf[LWS_SEND_BUFFER_PRE_PADDING], 128);
+ *   libwebsocket_write(wsi, &buf[LWS_SEND_BUFFER_PRE_PADDING], 128,
+ *   								LWS_WRITE_TEXT);
  *
  * When sending LWS_WRITE_HTTP, there is no protocol addition and you can just
  * use the whole buffer without taking care of the above.