diff --git a/homeassistant/components/mqtt/strings.json b/homeassistant/components/mqtt/strings.json
index 22fb85780b0..c14bda008d1 100644
--- a/homeassistant/components/mqtt/strings.json
+++ b/homeassistant/components/mqtt/strings.json
@@ -426,7 +426,7 @@
               },
               "data_description": {
                 "payload_off": "[%key:component::mqtt::config_subentries::device::step::mqtt_platform_config::data_description::payload_off%]",
-                "payload_on": "[%key:component::mqtt::config_subentries::device::step::mqtt_platform_config::data_description::payload_off%]",
+                "payload_on": "[%key:component::mqtt::config_subentries::device::step::mqtt_platform_config::data_description::payload_on%]",
                 "power_command_template": "A [template](https://www.home-assistant.io/docs/configuration/templating/#using-command-templates-with-mqtt) to compose the payload to be published at the power command topic. The `value` parameter is the payload set for payload \"on\" or payload \"off\".",
                 "power_command_topic": "The MQTT topic to publish commands to change the climate power state. Sends the payload configured with payload \"on\" or payload \"off\". [Learn more.]({url}#power_command_topic)"
               }
@@ -812,7 +812,7 @@
                 "min_humidity": "The minimum target humidity that can be set.",
                 "target_humidity_command_template": "A [template](https://www.home-assistant.io/docs/configuration/templating/#using-command-templates-with-mqtt) to compose the payload to be published at the humidity command topic.",
                 "target_humidity_command_topic": "The MQTT topic to publish commands to change the climate target humidity. [Learn more.]({url}#humidity_command_topic)",
-                "target_humidity_state_template": "A [template](https://www.home-assistant.io/docs/configuration/templating/#using-value-templates-with-mqtt) to render the value received on the humidity state topic with.",
+                "target_humidity_state_template": "A [template](https://www.home-assistant.io/docs/configuration/templating/#using-value-templates-with-mqtt) to render the value received on the target humidity state topic with.",
                 "target_humidity_state_topic": "The MQTT topic to subscribe for changes of the target humidity. [Learn more.]({url}#humidity_state_topic)"
               }
             },