diff --git a/homeassistant/components/kmtronic/strings.json b/homeassistant/components/kmtronic/strings.json
index 2a3a3a406877..6cecea12f223 100644
--- a/homeassistant/components/kmtronic/strings.json
+++ b/homeassistant/components/kmtronic/strings.json
@@ -6,6 +6,9 @@
           "host": "[%key:common::config_flow::data::host%]",
           "username": "[%key:common::config_flow::data::username%]",
           "password": "[%key:common::config_flow::data::password%]"
+        },
+        "data_description": {
+          "host": "The hostname or IP address of your KMtronic device."
         }
       }
     },
diff --git a/homeassistant/components/kodi/strings.json b/homeassistant/components/kodi/strings.json
index 51431b317d64..7c7d53b33acd 100644
--- a/homeassistant/components/kodi/strings.json
+++ b/homeassistant/components/kodi/strings.json
@@ -8,6 +8,9 @@
           "host": "[%key:common::config_flow::data::host%]",
           "port": "[%key:common::config_flow::data::port%]",
           "ssl": "[%key:common::config_flow::data::ssl%]"
+        },
+        "data_description": {
+          "host": "The hostname or IP address of the system hosting your Kodi server."
         }
       },
       "discovery_confirm": {
diff --git a/homeassistant/components/lg_soundbar/strings.json b/homeassistant/components/lg_soundbar/strings.json
index 8c6a9909ff58..ee16a39350c0 100644
--- a/homeassistant/components/lg_soundbar/strings.json
+++ b/homeassistant/components/lg_soundbar/strings.json
@@ -4,6 +4,9 @@
       "user": {
         "data": {
           "host": "[%key:common::config_flow::data::host%]"
+        },
+        "data_description": {
+          "host": "The hostname or IP address of your LG Soundbar."
         }
       }
     },