diff --git a/homeassistant/components/lifx/strings.json b/homeassistant/components/lifx/strings.json
index c327081fabd8..21f3b3fe52b6 100644
--- a/homeassistant/components/lifx/strings.json
+++ b/homeassistant/components/lifx/strings.json
@@ -6,6 +6,9 @@
         "description": "If you leave the host empty, discovery will be used to find devices.",
         "data": {
           "host": "[%key:common::config_flow::data::host%]"
+        },
+        "data_description": {
+          "host": "The hostname or IP address of your LIFX device."
         }
       },
       "pick_device": {
diff --git a/homeassistant/components/lutron_caseta/strings.json b/homeassistant/components/lutron_caseta/strings.json
index b5ec175d1c9c..0fb906f097f4 100644
--- a/homeassistant/components/lutron_caseta/strings.json
+++ b/homeassistant/components/lutron_caseta/strings.json
@@ -11,6 +11,9 @@
         "description": "Enter the IP address of the device.",
         "data": {
           "host": "[%key:common::config_flow::data::host%]"
+        },
+        "data_description": {
+          "host": "The hostname or IP address of your Lutron Caseta Smart Bridge."
         }
       },
       "link": {