diff --git a/homeassistant/components/vallox/config_flow.py b/homeassistant/components/vallox/config_flow.py
index dd6c57e7e63..1658a987263 100644
--- a/homeassistant/components/vallox/config_flow.py
+++ b/homeassistant/components/vallox/config_flow.py
@@ -13,6 +13,7 @@ from homeassistant.const import CONF_HOST, CONF_NAME
 from homeassistant.core import HomeAssistant
 from homeassistant.data_entry_flow import FlowResult
 from homeassistant.exceptions import HomeAssistantError
+from homeassistant.loader import async_get_integration
 from homeassistant.util.network import is_ip_address
 
 from .const import DEFAULT_NAME, DOMAIN
@@ -59,10 +60,10 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
         try:
             await validate_host(self.hass, host)
         except InvalidHost:
-            _LOGGER.exception("An invalid host is configured for Vallox")
+            _LOGGER.error("An invalid host is configured for Vallox: %s", host)
             reason = "invalid_host"
         except VALLOX_CONNECTION_EXCEPTIONS:
-            _LOGGER.exception("Cannot connect to Vallox")
+            _LOGGER.error("Cannot connect to Vallox host %s", host)
             reason = "cannot_connect"
         except Exception:  # pylint: disable=broad-except
             _LOGGER.exception("Unexpected exception")
@@ -82,9 +83,15 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
         self, user_input: dict[str, Any] | None = None
     ) -> FlowResult:
         """Handle the initial step."""
-        if user_input is None or user_input[CONF_HOST] is None:
+        integration = await async_get_integration(self.hass, DOMAIN)
+
+        if user_input is None:
             return self.async_show_form(
-                step_id="user", data_schema=STEP_USER_DATA_SCHEMA
+                step_id="user",
+                description_placeholders={
+                    "integration_docs_url": integration.documentation
+                },
+                data_schema=STEP_USER_DATA_SCHEMA,
             )
 
         errors = {}
@@ -112,7 +119,12 @@ class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
             )
 
         return self.async_show_form(
-            step_id="user", data_schema=STEP_USER_DATA_SCHEMA, errors=errors
+            step_id="user",
+            description_placeholders={
+                "integration_docs_url": integration.documentation
+            },
+            data_schema=STEP_USER_DATA_SCHEMA,
+            errors=errors,
         )
 
 
diff --git a/homeassistant/components/vallox/strings.json b/homeassistant/components/vallox/strings.json
index 496454ce991..dd341228db8 100644
--- a/homeassistant/components/vallox/strings.json
+++ b/homeassistant/components/vallox/strings.json
@@ -3,19 +3,22 @@
     "step": {
       "user": {
         "title": "Vallox",
-        "description": "Set up the Vallox integration. If you have problems with configuration go to https://www.home-assistant.io/integrations/vallox.",
+        "description": "Set up the Vallox integration. If you have problems with configuration go to {integration_docs_url}.",
         "data": {
-          "host": "[%key:common::config_flow::data::host%]",
-          "name": "[%key:common::config_flow::data::name%]"
+          "host": "[%key:common::config_flow::data::host%]"
         }
       }
     },
     "abort": {
-      "already_configured": "[%key:common::config_flow::abort::already_configured_service%]"
+      "already_configured": "[%key:common::config_flow::abort::already_configured_service%]",
+      "cannot_connect": "[%key:common::config_flow::error::cannot_connect%]",
+      "invalid_host": "[%key:common::config_flow::error::invalid_host%]",
+      "unknown": "[%key:common::config_flow::error::unknown%]"
     },
     "error": {
       "cannot_connect": "[%key:common::config_flow::error::cannot_connect%]",
-      "invalid_host": "[%key:common::config_flow::error::invalid_host%]"
+      "invalid_host": "[%key:common::config_flow::error::invalid_host%]",
+      "unknown": "[%key:common::config_flow::error::unknown%]"
     }
   }
 }
diff --git a/homeassistant/components/vallox/translations/en.json b/homeassistant/components/vallox/translations/en.json
index ec4cce0bc62..d677ccead08 100644
--- a/homeassistant/components/vallox/translations/en.json
+++ b/homeassistant/components/vallox/translations/en.json
@@ -1,19 +1,22 @@
 {
     "config": {
         "abort": {
-            "already_configured": "Service is already configured"
+            "already_configured": "Service is already configured",
+            "cannot_connect": "Failed to connect",
+            "invalid_host": "Invalid hostname or IP address",
+            "unknown": "Unknown error"
         },
         "error": {
             "cannot_connect": "Failed to connect",
-            "invalid_host": "Invalid hostname or IP address"
+            "invalid_host": "Invalid hostname or IP address",
+            "unknown": "Unknown error"
         },
         "step": {
             "user": {
                 "data": {
-                    "host": "Host",
-                    "name": "Name"
+                    "host": "Host"
                 },
-                "description": "Set up the Vallox integration. If you have problems with configuration go to https://www.home-assistant.io/integrations/vallox.",
+                "description": "Set up the Vallox integration. If you have problems with configuration go to {integration_docs_url}.",
                 "title": "Vallox"
             }
         }
diff --git a/tests/components/vallox/test_config_flow.py b/tests/components/vallox/test_config_flow.py
index 89d9e5986ff..ee6b05f1f8b 100644
--- a/tests/components/vallox/test_config_flow.py
+++ b/tests/components/vallox/test_config_flow.py
@@ -241,7 +241,7 @@ async def test_import_already_configured(hass: HomeAssistant) -> None:
     assert result["reason"] == "already_configured"
 
 
-async def test_import_cannot_connect_OSError(hass: HomeAssistant) -> None:
+async def test_import_cannot_connect_os_error(hass: HomeAssistant) -> None:
     """Test that cannot connect error is handled."""
     name = "Vallox 90 MV"
 
@@ -260,7 +260,7 @@ async def test_import_cannot_connect_OSError(hass: HomeAssistant) -> None:
     assert result["reason"] == "cannot_connect"
 
 
-async def test_import_cannot_connect_ValloxApiException(hass: HomeAssistant) -> None:
+async def test_import_cannot_connect_vallox_api_exception(hass: HomeAssistant) -> None:
     """Test that cannot connect error is handled."""
     name = "Vallox 90 MV"