diff --git a/source/hassio/addon_testing.markdown b/source/hassio/addon_testing.markdown
index 8c8de685f14..101c98107a3 100644
--- a/source/hassio/addon_testing.markdown
+++ b/source/hassio/addon_testing.markdown
@@ -15,13 +15,14 @@ Right now add-ons will work with images that are stored on Docker Hub (using `im
 
 ## {% linkable_title Local run %}
 
-You can build an try the addon on your developer machine also. Move all addon stuff into a temp folder. Replace in the Dockerfile: `%%VERSION%%` with your version and `%%BASE_IMAGE%%` with:
+You can build an try the addon on your developer machine also. Move all addon stuff into a temp folder. Replace in the Dockerfile `%%BASE_IMAGE%%` with:
 
 - armhf: `resin/armhf-alpine:3.5`
 - aarch64: `resin/aarch64-alpine:3.5`
 - amd64: `resin/amd64-alpine:3.5`
 - i386: `resin/i386-alpine:3.5`
 
+Add also a `LABEL io.hass.version="xy"` into your dockerfile.
 Use `docker` to build the test addon: `docker build -t local/my-test-addon .`
 
 Create a new folder for data and add a test _options.json_ file. After that you can run your add-on with: `docker run --rm -v /tmp/my_test_data:/data -p PORT_STUFF_IF_NEEDED local/my-test-addon`