diff --git a/homeassistant/components/system_bridge/config_flow.py b/homeassistant/components/system_bridge/config_flow.py
index 60b57b1e87f..fae75f4087e 100644
--- a/homeassistant/components/system_bridge/config_flow.py
+++ b/homeassistant/components/system_bridge/config_flow.py
@@ -24,7 +24,7 @@ from homeassistant.helpers import config_validation as cv
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
 from homeassistant.helpers.service_info.zeroconf import ZeroconfServiceInfo
 
-from .const import DATA_WAIT_TIMEOUT, DOMAIN
+from .const import DATA_WAIT_TIMEOUT, DOMAIN, SYNTAX_KEYS_DOCUMENTATION_URL
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -132,7 +132,11 @@ class SystemBridgeConfigFlow(
         """Handle the initial step."""
         if user_input is None:
             return self.async_show_form(
-                step_id="user", data_schema=STEP_USER_DATA_SCHEMA
+                step_id="user",
+                data_schema=STEP_USER_DATA_SCHEMA,
+                description_placeholders={
+                    "syntax_keys_documentation_url": SYNTAX_KEYS_DOCUMENTATION_URL
+                },
             )
 
         errors, info = await _async_get_info(self.hass, user_input)
@@ -144,7 +148,12 @@ class SystemBridgeConfigFlow(
             return self.async_create_entry(title=info["hostname"], data=user_input)
 
         return self.async_show_form(
-            step_id="user", data_schema=STEP_USER_DATA_SCHEMA, errors=errors
+            step_id="user",
+            data_schema=STEP_USER_DATA_SCHEMA,
+            errors=errors,
+            description_placeholders={
+                "syntax_keys_documentation_url": SYNTAX_KEYS_DOCUMENTATION_URL
+            },
         )
 
     async def async_step_authenticate(
@@ -174,7 +183,10 @@ class SystemBridgeConfigFlow(
         return self.async_show_form(
             step_id="authenticate",
             data_schema=STEP_AUTHENTICATE_DATA_SCHEMA,
-            description_placeholders={"name": self._name},
+            description_placeholders={
+                "name": self._name,
+                "syntax_keys_documentation_url": SYNTAX_KEYS_DOCUMENTATION_URL,
+            },
             errors=errors,
         )
 
diff --git a/homeassistant/components/system_bridge/const.py b/homeassistant/components/system_bridge/const.py
index 235d7e6b986..72160b86daa 100644
--- a/homeassistant/components/system_bridge/const.py
+++ b/homeassistant/components/system_bridge/const.py
@@ -4,6 +4,8 @@ from typing import Final
 
 from systembridgemodels.modules import Module
 
+SYNTAX_KEYS_DOCUMENTATION_URL = "http://robotjs.io/docs/syntax#keys"
+
 DOMAIN = "system_bridge"
 
 MODULES: Final[list[Module]] = [
diff --git a/homeassistant/components/system_bridge/strings.json b/homeassistant/components/system_bridge/strings.json
index 0cca826684a..7dd46aa0ecb 100644
--- a/homeassistant/components/system_bridge/strings.json
+++ b/homeassistant/components/system_bridge/strings.json
@@ -194,7 +194,7 @@
         },
         "key": {
           "name": "Key",
-          "description": "Key to press. List available here: http://robotjs.io/docs/syntax#keys."
+          "description": "Key to press. List available here: {syntax_keys_documentation_url}."
         }
       }
     },