diff --git a/mattermost_notify/git.py b/mattermost_notify/git.py
index 6ce14b0..e94b5fd 100644
--- a/mattermost_notify/git.py
+++ b/mattermost_notify/git.py
@@ -58,6 +58,7 @@ def fill_template(
     short: bool = False,
     highlight: Optional[list[str]] = None,
     commit: Optional[str] = None,
+    commit_message: Optional[str] = None,
     branch: Optional[str] = None,
     repository: Optional[str] = None,
     status: Optional[str] = None,
@@ -92,7 +93,7 @@ def fill_template(
     used_branch: str = (
         branch if branch else workflow_info.get("head_branch", "")
     )
-    branch_url = f"{repository_url}/tree/{branch}"
+    branch_url = f"{repository_url}/tree/{used_branch}"
 
     workflow_url = (
         f"{repository_url}/actions/runs/{used_workflow_id}"
@@ -100,13 +101,15 @@ def fill_template(
         else workflow_info.get("html_url", "")
     )
 
+    head_commit = workflow_info.get("head_commit", {})
+
     if commit:
         commit_url = f"{repository_url}/commit/{commit}"
-        commit_message = commit
     else:
-        head_commit = workflow_info.get("head_commit", {})
         commit_url = f'{repository_url}/commit/{head_commit.get("id", "")}'
-        commit_message: str = head_commit.get("message", "").split("\n", 1)[0]  # type: ignore[no-redef] # noqa: E501
+
+    if not commit_message:
+        commit_message = head_commit.get("message", "").split("\n", 1)[0]
 
     highlight_str = ""
     if highlight and workflow_status is not Status.SUCCESS:
@@ -117,7 +120,7 @@ def fill_template(
         workflow=linker(used_workflow_name, workflow_url),
         repository=linker(repository, repository_url),
         branch=linker(used_branch, branch_url),
-        commit=linker(commit_message, commit_url),
+        commit=linker(commit_message, commit_url),  # type: ignore[arg-type]
         highlight=highlight_str,
     )
 
diff --git a/mattermost_notify/parser.py b/mattermost_notify/parser.py
index bb4914b..2ae1ed6 100644
--- a/mattermost_notify/parser.py
+++ b/mattermost_notify/parser.py
@@ -52,7 +52,8 @@ def parse_args(args=None) -> Namespace:
         "-n", "--workflow_name", type=str, help="name of the workflow"
     )
 
-    parser.add_argument("--commit", help="Commit to use")
+    parser.add_argument("--commit", help="Commit ID to use")
+    parser.add_argument("--commit-message", help="Commit Message to use")
 
     parser.add_argument(
         "--free",
diff --git a/tests/test_git.py b/tests/test_git.py
index 0d48d22..5dbec75 100644
--- a/tests/test_git.py
+++ b/tests/test_git.py
@@ -32,7 +32,7 @@ def test_success_no_highlight(self):
 
 | Workflow |  |
 | --- | --- |
-| Repository (branch) |  ([](/tree/None)) |
+| Repository (branch) |  ([](/tree/)) |
 | Related commit | [](/commit/) |
 
 """
@@ -48,7 +48,7 @@ def test_failure_highlight(self):
 
 | Workflow |  |
 | --- | --- |
-| Repository (branch) |  ([](/tree/None)) |
+| Repository (branch) |  ([](/tree/)) |
 | Related commit | [](/commit/) |
 
 @user1
@@ -63,13 +63,14 @@ def test_short_template(self):
             workflow_name="SomeWorkflow",
             workflow_id="w1",
             commit="12345",
+            commit_message="Add foo",
             repository="foo/bar",
             branch="main",
             terminal=MagicMock(),
         )
         expected = (
             ":white_check_mark: success: [SomeWorkflow](https://github.com/foo/bar/actions/runs/w1) "
-            "([12345](https://github.com/foo/bar/commit/12345)) in "
+            "([Add foo](https://github.com/foo/bar/commit/12345)) in "
             "[foo/bar](https://github.com/foo/bar) ([main](https://github.com/foo/bar/tree/main))"
         )
         self.assertEqual(expected, actual)
@@ -81,6 +82,7 @@ def test_template(self):
             workflow_name="SomeWorkflow",
             workflow_id="w1",
             commit="12345",
+            commit_message="Add foo",
             repository="foo/bar",
             branch="main",
             terminal=MagicMock(),
@@ -90,7 +92,7 @@ def test_template(self):
 | Workflow | [SomeWorkflow](https://github.com/foo/bar/actions/runs/w1) |
 | --- | --- |
 | Repository (branch) | [foo/bar](https://github.com/foo/bar) ([main](https://github.com/foo/bar/tree/main)) |
-| Related commit | [12345](https://github.com/foo/bar/commit/12345) |
+| Related commit | [Add foo](https://github.com/foo/bar/commit/12345) |
 
 """
         self.assertEqual(expected, actual)
@@ -106,14 +108,13 @@ def test_template_data_from_github_event(self, mock: MagicMock):
                     "html_url": "https://github.com/foo/bar",
                 },
                 "head_branch": "main",
-                "head_commit": {"id": "12345"},
+                "head_commit": {"id": "12345", "message": "Add foo"},
                 "workflow_id": "w1",
             }
         }
         mock.return_value = event
 
         actual = fill_template(
-            short=False,
             terminal=MagicMock(),
         )
         expected = """#### Status: :white_check_mark: success
@@ -121,7 +122,7 @@ def test_template_data_from_github_event(self, mock: MagicMock):
 | Workflow | [SomeWorkflow](https://github.com/foo/bar/actions/runs/w1) |
 | --- | --- |
 | Repository (branch) | [foo/bar](https://github.com/foo/bar) ([main](https://github.com/foo/bar/tree/main)) |
-| Related commit | [12345](https://github.com/foo/bar/commit/12345) |
+| Related commit | [Add foo](https://github.com/foo/bar/commit/12345) |
 
 """
         self.assertEqual(expected, actual)
diff --git a/tests/test_parser.py b/tests/test_parser.py
index 6af64fb..f4f9da4 100644
--- a/tests/test_parser.py
+++ b/tests/test_parser.py
@@ -94,6 +94,12 @@ def test_parse_commit(self):
         parsed_args = parse_args(["www.url.de", "channel", "--commit", "1234"])
         self.assertEqual(parsed_args.commit, "1234")
 
+    def test_parse_commit_message(self):
+        parsed_args = parse_args(
+            ["www.url.de", "channel", "--commit-message", "foo bar"]
+        )
+        self.assertEqual(parsed_args.commit_message, "foo bar")
+
     def test_parse_free(self):
         parsed_args = parse_args(
             ["www.url.de", "channel", "--free", "lorem ipsum"]