diff --git a/README.md b/README.md
index 23135f5..de6e805 100644
--- a/README.md
+++ b/README.md
@@ -81,13 +81,13 @@ Any werf option can be defined with environment variables:
 
 Due to the fact that the new GitHub container registry (`ghcr.io`) does not currently support removal, all actions default to the old one (`docker.pkg.github.com`).
 
-If necessary, the user can define an arbitrary container registry using the `WERF_REPO` and `WERF_REPO_CONTAINER_REGISTRY` environment variables.
+If necessary, the user can define an arbitrary container registry using the `WERF_REPO` and `WERF_REPO_IMPLEMENTATION` environment variables.
 
 ```yaml
-- uses: werf/actions/converge@v1.2
+- uses: werf/actions/converge@v1.1
   env:
     WERF_REPO: "gcr.io/company/app"
-    WERF_REPO_CONTAINER_REGISTRY: "gcr"
+    WERF_REPO_IMPLEMENTATION: "gcr"
 ```
 
 To learn how to work with the different container registries, see the corresponding [article in the werf documentation](https://werf.io/documentation/advanced/supported_container_registries.html).