diff --git a/.env.example b/.env.example
index ffe3b31..ea33025 100644
--- a/.env.example
+++ b/.env.example
@@ -2,3 +2,6 @@ CANVAS_ACCESS_TOKEN=CiBD8fLtEhUOkcjdKhIj18Fx13WV1e3hwffewrfN3whAcS1IKPeJ41fBKq1E
 CANVAS_COURSE_ID=1445
 GITEA_ACCESS_TOKEN=10cdf70f8fe1b7a5d3321e5a10d2d743e4818d4a
 GITEA_ORG_NAME=VG101
+MATTERMOST_TEAM=VG101
+MATTERMOST_ACCESS_TOKEN=qjnpxytsgpdnxfbpyhrinzdapl
+MATTERMOST_TEACHING_TEAM=["A", "B", "C"]
diff --git a/README.md b/README.md
index 5d9a841..a363501 100644
--- a/README.md
+++ b/README.md
@@ -60,7 +60,7 @@ close all issues and pull requests in gitea organization
 
 create channels for student groups according to group information on gitea. Optionally specify a prefix to ignore all repos whose names do not start with it. Optionally specify a suffix to add to all channels created.
 
-Example: `python3 -m joint_teapot create_channels_for_groups --prefix p1 -suffix -private` will fetch all repos whose names start with `"p1"` and create channels on mm for these repos like "p1team1-private". Members of a repo will be added to the corresponding channel.
+Example: `python3 -m joint_teapot create-channels-on-mm --prefix p1 --suffix -private --invite-teaching-team` will fetch all repos whose names start with `"p1"` and create channels on mm for these repos like "p1team1-private". Members of a repo will be added to the corresponding channel. And teaching team (adjust in `.env`) will be invited to the channels.
 
 ### `create-issues`
 
diff --git a/joint_teapot/config.py b/joint_teapot/config.py
index 3c8eab9..9d4a15c 100644
--- a/joint_teapot/config.py
+++ b/joint_teapot/config.py
@@ -31,7 +31,7 @@ class Settings(BaseSettings):
     mattermost_access_token: str = ""
     mattermost_team: str = ""
     mattermost_teaching_team: List[str] = [
-        "manuel",
+        "charlem",
     ]
 
     # sid
diff --git a/joint_teapot/workers/mattermost.py b/joint_teapot/workers/mattermost.py
index 98ddada..b1beff2 100644
--- a/joint_teapot/workers/mattermost.py
+++ b/joint_teapot/workers/mattermost.py
@@ -115,15 +115,9 @@ def create_webhooks_for_repos(self, repos: List[str], gitea: Gitea) -> None:
                         active=True,
                         type="slack",
                         events=[
-                            "create",
-                            "delete",
-                            "push",
-                            "release",
                             "issues_only",
-                            "issue_assign",
                             "issue_comment",
                             "pull_request_only",
-                            "pull_request_assign",
                             "pull_request_comment",
                             "pull_request_review",
                         ],