diff --git a/homeassistant/components/knx/services.py b/homeassistant/components/knx/services.py
index f63612f97efaa..ebb01e0ef2857 100644
--- a/homeassistant/components/knx/services.py
+++ b/homeassistant/components/knx/services.py
@@ -39,6 +39,10 @@
 
 _LOGGER = logging.getLogger(__name__)
 
+_DESCRIPTION_PLACEHOLDERS = {
+    "sensor_value_types_url": "https://www.home-assistant.io/integrations/knx/#value-types"
+}
+
 
 @callback
 def async_setup_services(hass: HomeAssistant) -> None:
@@ -48,6 +52,7 @@ def async_setup_services(hass: HomeAssistant) -> None:
         SERVICE_KNX_SEND,
         service_send_to_knx_bus,
         schema=SERVICE_KNX_SEND_SCHEMA,
+        description_placeholders=_DESCRIPTION_PLACEHOLDERS,
     )
 
     hass.services.async_register(
@@ -63,6 +68,7 @@ def async_setup_services(hass: HomeAssistant) -> None:
         SERVICE_KNX_EVENT_REGISTER,
         service_event_register_modify,
         schema=SERVICE_KNX_EVENT_REGISTER_SCHEMA,
+        description_placeholders=_DESCRIPTION_PLACEHOLDERS,
     )
 
     async_register_admin_service(
@@ -71,6 +77,7 @@ def async_setup_services(hass: HomeAssistant) -> None:
         SERVICE_KNX_EXPOSURE_REGISTER,
         service_exposure_register_modify,
         schema=SERVICE_KNX_EXPOSURE_REGISTER_SCHEMA,
+        description_placeholders=_DESCRIPTION_PLACEHOLDERS,
     )
 
     async_register_admin_service(
diff --git a/homeassistant/components/knx/strings.json b/homeassistant/components/knx/strings.json
index 200b90a49e00b..fc6c04b318b9c 100644
--- a/homeassistant/components/knx/strings.json
+++ b/homeassistant/components/knx/strings.json
@@ -674,7 +674,7 @@
           "name": "Remove event registration"
         },
         "type": {
-          "description": "If set, the payload will be decoded as given DPT in the event data `value` key. KNX sensor types are valid values (see https://www.home-assistant.io/integrations/knx/#value-types).",
+          "description": "If set, the payload will be decoded as given DPT in the event data `value` key. KNX sensor types are valid values (see {sensor_value_types_url}).",
           "name": "Value type"
         }
       },
@@ -704,7 +704,7 @@
           "name": "Remove exposure"
         },
         "type": {
-          "description": "Telegrams will be encoded as given DPT. 'binary' and all KNX sensor types are valid values (see https://www.home-assistant.io/integrations/knx/#value-types).",
+          "description": "Telegrams will be encoded as given DPT. 'binary' and all KNX sensor types are valid values (see {sensor_value_types_url}).",
           "name": "Value type"
         }
       },
@@ -740,7 +740,7 @@
           "name": "Send as Response"
         },
         "type": {
-          "description": "If set, the payload will not be sent as raw bytes, but encoded as given DPT. KNX sensor types are valid values (see https://www.home-assistant.io/integrations/knx/#value-types).",
+          "description": "If set, the payload will not be sent as raw bytes, but encoded as given DPT. KNX sensor types are valid values (see {sensor_value_types_url}).",
           "name": "Value type"
         }
       },