diff --git a/README.md b/README.md
index 0bbefbd..1e4ac59 100644
--- a/README.md
+++ b/README.md
@@ -40,11 +40,12 @@ jobs:
 
 ## Arguments
 
-|   Input   |                             Description                              |   Usage    |
-| :-------: | :------------------------------------------------------------------: | :--------: |
-|  `path`   | Path to the folder containing the Home Assistant Core configuration. | _Optional_ |
-| `secrets` |      Alternative secrets file to use, e.g., "fakesecrets.yaml".      | _Optional_ |
-| `version` |    Version to use; dev/beta/stable or a specific version number.     | _Optional_ |
+|   Input    |                             Description                              |   Usage    |
+| :--------: | :------------------------------------------------------------------: | :--------: |
+| `env_file` |              Possible path to environment file to use.               | _Optional_ |
+|   `path`   | Path to the folder containing the Home Assistant Core configuration. | _Optional_ |
+| `secrets`  |      Alternative secrets file to use, e.g., "fakesecrets.yaml".      | _Optional_ |
+| `version`  |    Version to use; dev/beta/stable or a specific version number.     | _Optional_ |
 
 ### Specific configuration folder