Balboa, Bond, Bosch: add host field description (#104695)

homeassistant/components/balboa/strings.json

@@ -2,9 +2,12 @@
   "config": {
     "step": {
       "user": {
-        "title": "Connect to the Balboa Wi-Fi device",
+        "description": "Connect to the Balboa Wi-Fi device",
         "data": {
           "host": "[%key:common::config_flow::data::host%]"
+        },
+        "data_description": {
+          "host": "Hostname or IP address of your Balboa Spa Wifi Device. For example, 192.168.1.58."
         }
       }
     },

homeassistant/components/bond/strings.json

@@ -12,6 +12,9 @@
         "data": {
           "host": "[%key:common::config_flow::data::host%]",
           "access_token": "[%key:common::config_flow::data::access_token%]"
+        },
+        "data_description": {
+          "host": "The IP address of your Bond hub."
         }
       }
     },

homeassistant/components/bosch_shc/strings.json

@@ -6,6 +6,9 @@
         "title": "SHC authentication parameters",
         "data": {
           "host": "[%key:common::config_flow::data::host%]"
+        },
+        "data_description": {
+          "host": "The hostname or IP address of your Bosch Smart Home Controller."
         }
       },
       "credentials": {