diff --git a/zerver/webhooks/github/fixtures/issues__assigned.json b/zerver/webhooks/github/fixtures/issues__assigned.json
index c4f7349da5..89af7907f2 100644
--- a/zerver/webhooks/github/fixtures/issues__assigned.json
+++ b/zerver/webhooks/github/fixtures/issues__assigned.json
@@ -10,7 +10,7 @@
         "id": 1651035101,
         "node_id": "I_kwDOJRp_V85iaMvd",
         "number": 7,
-        "title": "Sample Issue testing something",
+        "title": "Testing when issue assigned!",
         "user": {
             "login": "sbansal1999",
             "id": 35286603,
diff --git a/zerver/webhooks/github/tests.py b/zerver/webhooks/github/tests.py
index c4364836c2..83df42c6c3 100644
--- a/zerver/webhooks/github/tests.py
+++ b/zerver/webhooks/github/tests.py
@@ -160,14 +160,14 @@ class GitHubWebhookTest(WebhookTestCase):
         self.check_webhook("issues", expected_topic, expected_message)
 
     def test_issue_assigned(self) -> None:
-        expected_message = "sbansal1999 assigned [issue #7](https://github.com/sbansal1999/testing-gh/issues/7) to sbansal1999."
-        expected_topic = "testing-gh / issue #7 Sample Issue testing something"
+        expected_message = "sbansal1999 assigned sbansal1999 to [issue #7](https://github.com/sbansal1999/testing-gh/issues/7)."
+        expected_topic = "testing-gh / issue #7 Testing when issue assigned!"
         self.check_webhook("issues__assigned", expected_topic, expected_message)
 
     def test_issue_assigned_with_custom_topic_in_url(self) -> None:
         self.url = self.build_webhook_url(topic="notifications")
         expected_topic = "notifications"
-        expected_message = "sbansal1999 assigned [issue #7 Sample Issue testing something](https://github.com/sbansal1999/testing-gh/issues/7) to sbansal1999."
+        expected_message = "sbansal1999 assigned sbansal1999 to [issue #7 Testing when issue assigned!](https://github.com/sbansal1999/testing-gh/issues/7)"
         self.check_webhook("issues__assigned", expected_topic, expected_message)
 
     def test_issue_unassigned(self) -> None:
diff --git a/zerver/webhooks/github/view.py b/zerver/webhooks/github/view.py
index 90dd54b4d2..b144f840af 100644
--- a/zerver/webhooks/github/view.py
+++ b/zerver/webhooks/github/view.py
@@ -170,9 +170,9 @@ def get_issue_body(helper: Helper) -> str:
     if has_assignee:
         stringified_assignee = payload["assignee"]["login"].tame(check_string)
         if action == "assigned":
-            return f"{base_message[:-1]} to {stringified_assignee}."
+            return base_message.replace("assigned", f"assigned {stringified_assignee} to", 1)
         elif action == "unassigned":
-            return base_message.replace("unassigned", f"unassigned {stringified_assignee} from")
+            return base_message.replace("unassigned", f"unassigned {stringified_assignee} from", 1)
 
     return base_message