diff --git a/.github/breakpoint-webhook-definition.json b/.github/slack-notification.json
similarity index 100%
rename from .github/breakpoint-webhook-definition.json
rename to .github/slack-notification.json
diff --git a/.github/workflows/breakpoint.yaml b/.github/workflows/breakpoint.yaml
index 7e26b5b..1030e06 100644
--- a/.github/workflows/breakpoint.yaml
+++ b/.github/workflows/breakpoint.yaml
@@ -24,4 +24,4 @@ jobs:
         with:
           duration: 2m
           authorized-users: edganiukov,hugosantos,n-g,htr,nichtverstehen,gmichelo
-          webhook-definition: ./.github/breakpoint-webhook-definition.json
+          webhook-definition: ./.github/slack-notification.json
diff --git a/README.md b/README.md
index 56e6efb..bba08bf 100644
--- a/README.md
+++ b/README.md
@@ -7,11 +7,12 @@ This action offers inputs that you can use to configure  `breakpoint` behavior:
 
 * `endpoint` - is the quic endpoint of a breakpoint rendezvous server. This is
   the required parameter and by default the action will use [Namespace](https://namespace.so)
-  managed server - `breakpoint.namespace.so:5000`.
+  managed server - `rendezvous.namespace.so:5000`.
 
 * `duration` - is the initial duration of a breakpoint started by the action.
   A duration string is a possibly sequence of decimal numbers a unit suffix,
   such as "30s" or "2h5m". Valid time units are "ns", "us", "ms", "s", "m", "h".
+
   The default value is "30m".
 
 * `authorized-users` - is the comma-separated list of GitHub users that would be
@@ -25,8 +26,16 @@ This action offers inputs that you can use to configure  `breakpoint` behavior:
 * `webhook-definition` - is the path to a webhook definition file that contains
   `url` and `payload` fields. If webhook definition is provided `breakpoint`
   will send `POST` request to the provided `url` with the provided `payload`.
-  Example of such definition file can be found
-  [here](/.github/breakpoint-webhook-definition.json).
+
+  Example of such definition file for sending notifications to Slack can be
+  found [here](/.github/slack-notification.json).
+
+* `slack-announce-channel` - is a Slack channel where webhook sends and updates
+  messages about started and currently active breakpoints.
+
+  To use this feature necessary to provide `SLACK_BOT_TOKEN` environment
+  variable. See [here](https://api.slack.com/authentication/token-types) how to
+  create a bot token.
 
 Note, that `authorized-users` and `authorized-keys` used to provided SSH access
 to a GitHub Runner. The action will fail if neither `authorized-users` nor
diff --git a/dist/main/index.js b/dist/main/index.js
index 6e6041b..4a5275c 100644
--- a/dist/main/index.js
+++ b/dist/main/index.js
@@ -43092,7 +43092,10 @@ function jsonifyInput() {
     }
     const slackChannel = _actions_core__WEBPACK_IMPORTED_MODULE_0__.getInput("slack-announce-channel");
     if (Boolean(slackChannel)) {
-        const slackBot = { channel: slackChannel };
+        const slackBot = {
+            channel: slackChannel,
+            token: "${SLACK_BOT_TOKEN}",
+        };
         config.slack_bot = slackBot;
     }
     return JSON.stringify(config);
diff --git a/main.ts b/main.ts
index aa89450..bf06238 100644
--- a/main.ts
+++ b/main.ts
@@ -23,6 +23,7 @@ class Webhook {
 
 class SlackBot {
 	channel: string;
+	token: string;
 }
 
 async function run(): Promise<void> {
@@ -159,7 +160,10 @@ function jsonifyInput(): string {
 
 	const slackChannel: string = core.getInput("slack-announce-channel");
 	if (Boolean(slackChannel)) {
-		const slackBot: SlackBot = { channel: slackChannel };
+		const slackBot: SlackBot = {
+			channel: slackChannel,
+			token: "${SLACK_BOT_TOKEN}",
+		};
 		config.slack_bot = slackBot;
 	}