diff --git a/README.md b/README.md
index 9bc23f2..8ebe299 100644
--- a/README.md
+++ b/README.md
@@ -133,6 +133,8 @@ The action supports flexible configuration options to modify vast areas of its b
 
 💡 By default not specifying `fromTag` or `toTag` will resolve `toTag` from either the `ref` or alternatively fallback to the latest tag from git. `fromTag` is resolved by sorting tags using [semver](https://semver.org/). Check the [configuration](#configuration-specification) for alternatives.
 
+⚠️ When running this action for a non tags trigger the `toTag` can't be automatically resolved, as such it is either required to provide `toTag` directly, or to specify a different `fetch-depth:` with the checkout action to include tags.   
+
 This configuration is a `.json` file in the following format.
 
 ```json