Add missing discovery string from onewire (#136892)

homeassistant/components/onewire/config_flow.py

@@ -147,6 +147,7 @@ class OneWireFlowHandler(ConfigFlow, domain=DOMAIN):
 
         return self.async_show_form(
             step_id="discovery_confirm",
+            description_placeholders={"host": self._discovery_data[CONF_HOST]},
             errors=errors,
         )
 

homeassistant/components/onewire/strings.json

@@ -8,6 +8,9 @@
       "cannot_connect": "[%key:common::config_flow::error::cannot_connect%]"
     },
     "step": {
+      "discovery_confirm": {
+        "description": "Do you want to set up OWServer from {host}?"
+      },
       "reconfigure": {
         "data": {
           "host": "[%key:common::config_flow::data::host%]",