diff --git a/homeassistant/components/mqtt/strings.json b/homeassistant/components/mqtt/strings.json
index f35cd7c2b58..82b6a50df31 100644
--- a/homeassistant/components/mqtt/strings.json
+++ b/homeassistant/components/mqtt/strings.json
@@ -51,6 +51,24 @@
           "transport": "MQTT transport",
           "ws_headers": "WebSocket headers in JSON format",
           "ws_path": "WebSocket path"
+        },
+        "data_description": {
+          "broker": "The hostname or IP address of your MQTT broker.",
+          "port": "The port your MQTT broker listens to. For example 1883.",
+          "username": "The username to login to your MQTT broker.",
+          "password": "The password to login to your MQTT broker.",
+          "advanced_options": "Enable and click `next` to set advanced options.",
+          "certificate": "The custom CA certificate file to validate your MQTT brokers certificate.",
+          "client_id": "The unique ID to identify the Home Assistant MQTT API as MQTT client. It is recommended to leave this option blank.",
+          "client_cert": "The client certificate to authenticate against your MQTT broker.",
+          "client_key": "The private key file that belongs to your client certificate.",
+          "tls_insecure": "Option to ignore validation of your MQTT broker's certificate.",
+          "protocol": "The MQTT protocol your broker operates at. For example 3.1.1.",
+          "set_ca_cert": "Select `Auto` for automatic CA validation or `Custom` and click `next` to set a custom CA certificate to allow validating your MQTT brokers certificate.",
+          "set_client_cert": "Enable and click `next` to set a client certifificate and private ket to authenticate against your MQTT broker.",
+          "transport": "The transport to use for the connextion to your MQTT broker.",
+          "ws_headers": "The WebSocket headers to pass through the WebSocket based connection to your MQTT broker.",
+          "ws_path": "The WebSocket path to use for the connection to your MQTT broker."
         }
       },
       "hassio_confirm": {
@@ -58,6 +76,9 @@
         "description": "Do you want to configure Home Assistant to connect to the MQTT broker provided by the add-on {addon}?",
         "data": {
           "discovery": "Enable discovery"
+        },
+        "data_description": {
+          "discovery": "Option to enable MQTT automatic discovery."
         }
       }
     },
@@ -123,6 +144,24 @@
           "transport": "[%key:component::mqtt::config::step::broker::data::transport%]",
           "ws_headers": "[%key:component::mqtt::config::step::broker::data::ws_headers%]",
           "ws_path": "[%key:component::mqtt::config::step::broker::data::ws_path%]"
+        },
+        "data_description": {
+          "broker": "[%key:component::mqtt::config::step::broker::data_description::broker%]",
+          "port": "[%key:component::mqtt::config::step::broker::data_description::port%]",
+          "username": "[%key:component::mqtt::config::step::broker::data_description::username%]",
+          "password": "[%key:component::mqtt::config::step::broker::data_description::password%]",
+          "advanced_options": "[%key:component::mqtt::config::step::broker::data_description::advanced_options%]",
+          "certificate": "[%key:component::mqtt::config::step::broker::data_description::certificate%]",
+          "client_id": "[%key:component::mqtt::config::step::broker::data_description::client_id%]",
+          "client_cert": "[%key:component::mqtt::config::step::broker::data_description::client_cert%]",
+          "client_key": "[%key:component::mqtt::config::step::broker::data_description::client_key%]",
+          "tls_insecure": "[%key:component::mqtt::config::step::broker::data_description::tls_insecure%]",
+          "protocol": "[%key:component::mqtt::config::step::broker::data_description::protocol%]",
+          "set_ca_cert": "[%key:component::mqtt::config::step::broker::data_description::set_ca_cert%]",
+          "set_client_cert": "[%key:component::mqtt::config::step::broker::data_description::set_client_cert%]",
+          "transport": "[%key:component::mqtt::config::step::broker::data_description::transport%]",
+          "ws_headers": "[%key:component::mqtt::config::step::broker::data_description::ws_headers%]",
+          "ws_path": "[%key:component::mqtt::config::step::broker::data_description::ws_path%]"
         }
       },
       "options": {
@@ -141,6 +180,20 @@
           "will_payload": "Will message payload",
           "will_qos": "Will message QoS",
           "will_retain": "Will message retain"
+        },
+        "data_description": {
+          "discovery": "Option to enable MQTT automatic discovery.",
+          "discovery_prefix": "The prefix of configuration topics the MQTT interation will subscribe to.",
+          "birth_enable": "When set, Home Assistant will publish an online message to your MQTT broker when MQTT is ready.",
+          "birth_topic": "The MQTT topic where Home Assistant will publish a birth message.",
+          "birth_payload": "The birth message that is published when MQTT is ready and connected.",
+          "birth_qos": "The quality of service of the birth message that is published when MQTT is ready and connected",
+          "birth_retain": "When set, Home Assistant will retain the birth message published to your MQTT broker.",
+          "will_enable": "When set, Home Assistant will ask your broker to publish a will message when MQTT is stopped or looses the connection to your broker.",
+          "will_topic": "The MQTT topic your MQTT broker will publish a will message to.",
+          "will_payload": "The message your MQTT broker will publish when the connection is lost.",
+          "will_qos": "The quality of service of the will message that is published by your MQTT broker.",
+          "will_retain": "When set, your MQTT broker will retain the will message."
         }
       }
     },