diff --git a/build_helpers/schema.json b/build_helpers/schema.json
index 73c06ba46..5c9844975 100644
--- a/build_helpers/schema.json
+++ b/build_helpers/schema.json
@@ -601,7 +601,11 @@
           "type": "string"
         },
         "chat_id": {
-          "description": "Telegram chat ID",
+          "description": "Telegram chat or group ID",
+          "type": "string"
+        },
+        "topic_id": {
+          "description": "Telegram topic ID - only applicable for group chats",
           "type": "string"
         },
         "allow_custom_messages": {
diff --git a/freqtrade/configuration/config_schema.py b/freqtrade/configuration/config_schema.py
index d31069e7b..9af3f0950 100644
--- a/freqtrade/configuration/config_schema.py
+++ b/freqtrade/configuration/config_schema.py
@@ -460,7 +460,11 @@ CONF_SCHEMA = {
                 },
                 "token": {"description": "Telegram bot token.", "type": "string"},
                 "chat_id": {
-                    "description": "Telegram chat ID",
+                    "description": "Telegram chat or group ID",
+                    "type": "string",
+                },
+                "topic_id": {
+                    "description": "Telegram topic ID - only applicable for group chats",
                     "type": "string",
                 },
                 "allow_custom_messages": {