diff --git a/docs/src/api/class-browsertype.md b/docs/src/api/class-browsertype.md
index d282912882..463f858901 100644
--- a/docs/src/api/class-browsertype.md
+++ b/docs/src/api/class-browsertype.md
@@ -85,7 +85,6 @@ class BrowserTypeExamples
 ```
 
 ## async method: BrowserType.connect
-* langs: js, python, java
 - returns: <[Browser]>
 
 This methods attaches Playwright to an existing browser instance.
@@ -97,13 +96,11 @@ This methods attaches Playwright to an existing browser instance.
 A browser websocket endpoint to connect to.
 
 ### option: BrowserType.connect.headers
-* langs: java, python, js
 - `headers` <[Object]<[string], [string]>>
 
 Additional HTTP headers to be sent with web socket connect request. Optional.
 
 ### option: BrowserType.connect.slowMo
-* langs: java, python, js
 - `slowMo` <[float]>
 
 Slows down Playwright operations by the specified amount of milliseconds. Useful so that you
@@ -116,7 +113,6 @@ can see what is going on. Defaults to 0.
 Logger sink for Playwright logging. Optional.
 
 ### option: BrowserType.connect.timeout
-* langs: java, python, js
 - `timeout` <[float]>
 
 Maximum time in milliseconds to wait for the connection to be established. Defaults to
diff --git a/utils/generate_dotnet_channels.js b/utils/generate_dotnet_channels.js
index 38782f50c0..0458ec8b8d 100755
--- a/utils/generate_dotnet_channels.js
+++ b/utils/generate_dotnet_channels.js
@@ -149,6 +149,30 @@ for (const [name, item] of Object.entries(protocol)) {
     const init = objectType(item.initializer || {}, '    ');
     const initializerName = channelName + 'Initializer';
     const superName = inherits.get(name);
+    channels_ts.push(`/*
+ * MIT License
+ *
+ * Copyright (c) Microsoft Corporation.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+`)
     channels_ts.push('using System.Collections.Generic;');
     channels_ts.push('using Microsoft.Playwright.Core;');
     channels_ts.push(``);