diff --git a/README.md b/README.md
index 1af4279..f5197ee 100644
--- a/README.md
+++ b/README.md
@@ -16,10 +16,11 @@ It would be more useful to use this with other GitHub Actions' outputs.
 
 ## Inputs
 
-|       NAME        |                                       DESCRIPTION                                        |   TYPE   | REQUIRED | DEFAULT |
-|-------------------|------------------------------------------------------------------------------------------|----------|----------|---------|
-| `current_version` | The current version.                                                                     | `string` | `true`   | `N/A`   |
-| `level`           | A semver update level `{major, premajor, minor, preminor, patch, prepatch, prerelease}`. | `string` | `false`  | `minor` |
+|       NAME        |                                       DESCRIPTION                                                                        |   TYPE   | REQUIRED | DEFAULT |
+|-------------------|-------------------------------------------------------------------------------------------------------------------------------------|----------|----------|---------|
+| `current_version` | The current version.                                                                                                     | `string` | `true`   | `N/A`   |
+| `level`           | A semver update level `{major, premajor, minor, preminor, patch, prepatch, prerelease}`.                                 | `string` | `false`  | `minor` |
+| `preID`           | The --preid <identifier> Identifier to be used to prefix premajor, preminor, prepatch or prerelease version increments.  | `string` | `false`   | `N/A`   |
 
 ## Outputs