diff --git a/README.md b/README.md
index 5b9075240..60dd4db1e 100644
--- a/README.md
+++ b/README.md
@@ -845,10 +845,10 @@ SOFTWARE.
 [log-viewer-armhf-shield]: https://img.shields.io/badge/armhf-yes-green.svg
 [log-viewer-armv7-shield]: https://img.shields.io/badge/armv7-yes-green.svg
 [log-viewer-i386-shield]: https://img.shields.io/badge/i386-yes-green.svg
-[addon-mqtt-io]: https://github.com/hassio-addons/addon-mqtt-io/tree/726f097
-[addon-doc-mqtt-io]: https://github.com/hassio-addons/addon-mqtt-io/blob/726f097/README.md
+[addon-mqtt-io]: https://github.com/hassio-addons/addon-mqtt-io/tree/d6e237a
+[addon-doc-mqtt-io]: https://github.com/hassio-addons/addon-mqtt-io/blob/d6e237a/README.md
 [mqtt-io-issue]: https://github.com/hassio-addons/addon-mqtt-io/issues
-[mqtt-io-version-shield]: https://img.shields.io/badge/version-726f097-blue.svg
+[mqtt-io-version-shield]: https://img.shields.io/badge/version-d6e237a-blue.svg
 [mqtt-io-aarch64-shield]: https://img.shields.io/badge/aarch64-yes-green.svg
 [mqtt-io-amd64-shield]: https://img.shields.io/badge/amd64-yes-green.svg
 [mqtt-io-armhf-shield]: https://img.shields.io/badge/armhf-yes-green.svg
diff --git a/mqtt-io/CHANGELOG.md b/mqtt-io/CHANGELOG.md
index ad2d7c0a7..5e3221e69 100644
--- a/mqtt-io/CHANGELOG.md
+++ b/mqtt-io/CHANGELOG.md
@@ -1 +1,9 @@
-- ⬆️ Upgrades add-on base image to 12.0.0 (#4)
+- Improvements after first iteration (#1)
+
+* Add option to specify configuration file location
+
+* Add configuration_file schema
+
+* Update documentation
+
+* Fix add-on options vs config
diff --git a/mqtt-io/DOCS.md b/mqtt-io/DOCS.md
index cc73b3f06..bcabc1b91 100644
--- a/mqtt-io/DOCS.md
+++ b/mqtt-io/DOCS.md
@@ -11,7 +11,12 @@ comparison to installing any other Home Assistant add-on.
 
 1. Search for the "MQTT IO" add-on in the Supervisor add-on store and
    install it.
-1. Start the "MQTT IO" add-on
+1. Set the location of the MQTT IO configuration file in the add-on options.
+   By default, this will be `/config/mqtt-io/config.yml`.
+1. Create the MQTT IO configuration file. For information about the format
+   and configuration option, please consult the MQTT IO documentation:
+   <https://mqtt-io.app/2.2.6/#/config/scenarios>
+1. Start the "MQTT IO" add-on when the configuration is created.
 1. Check the logs of the "MQTT IO" add-on to see if everything went well.
 
 ## Configuration
@@ -21,11 +26,24 @@ comparison to installing any other Home Assistant add-on.
 Example add-on configuration:
 
 ```yaml
+configuration_file: /config/mqtt-io.yml
 log_level: info
 ```
 
 **Note**: _This is just an example, don't copy and past it! Create your own!_
 
+### Option: `configuration_file`
+
+The `configuration_file` option allows you to configure the configuration
+file MQTT IO will use to run. The default is `/config/mqtt-io/config.yml`,
+but you change it to something else if you want.
+
+For more information about the MQTT IO configuration file format, see:
+
+<https://mqtt-io.app/2.2.6/#/config/scenarios>
+
+Please note that this configuration file is not created automatically.
+
 ### Option: `log_level`
 
 The `log_level` option controls the level of log output by the addon and can
diff --git a/mqtt-io/README.md b/mqtt-io/README.md
index 70b69ebb1..3ed2212ad 100644
--- a/mqtt-io/README.md
+++ b/mqtt-io/README.md
@@ -37,5 +37,5 @@ If you are more interested in stable releases of our add-ons:
 [forum]: https://community.home-assistant.io/?u=frenck
 [maintenance-shield]: https://img.shields.io/maintenance/yes/2022.svg
 [project-stage-shield]: https://img.shields.io/badge/project%20stage-experimental-yellow.svg
-[release-shield]: https://img.shields.io/badge/version-726f097-blue.svg
-[release]: https://github.com/hassio-addons/addon-mqtt-io/tree/726f097
\ No newline at end of file
+[release-shield]: https://img.shields.io/badge/version-d6e237a-blue.svg
+[release]: https://github.com/hassio-addons/addon-mqtt-io/tree/d6e237a
\ No newline at end of file
diff --git a/mqtt-io/config.yaml b/mqtt-io/config.yaml
index d53cbe439..93de7eec8 100644
--- a/mqtt-io/config.yaml
+++ b/mqtt-io/config.yaml
@@ -17,11 +17,14 @@ map:
 - share:rw
 - ssl
 name: MQTT IO
+options:
+  configuration_file: /config/mqtt-io/config.yml
 privileged:
 - SYS_RAWIO
 schema:
+  configuration_file: str
   log_level: list(trace|debug|info|notice|warning|error|fatal)?
 slug: mqtt-io
 uart: true
 url: https://github.com/hassio-addons/addon-mqtt-io
-version: 726f097
+version: d6e237a
diff --git a/mqtt-io/translations/en.yaml b/mqtt-io/translations/en.yaml
index e5d9caa4b..8a82d7896 100644
--- a/mqtt-io/translations/en.yaml
+++ b/mqtt-io/translations/en.yaml
@@ -1,5 +1,9 @@
 ---
 configuration:
+  configuration_file:
+    name: MQTT IO Configuration File
+    description: >-
+      Location of the MQTT IO configuration file.
   log_level:
     name: Log level
     description: >-