diff --git a/README.md b/README.md
index b44562a3..a2e15afa 100644
--- a/README.md
+++ b/README.md
@@ -181,7 +181,7 @@ Support this project with a :star:
| separator | string | false | `" "` | Split character for output strings |
| sha | string | false | | Specify a different commit SHA used
for comparing changes |
| since | string | false | | Get changed files for commits whose
timestamp is older than the given
time. |
-| since\_last\_remote\_commit | string | true | `"false"` | Use the last commit on the
remote branch as the `base_sha`. Defaults
to the last non merge commit
on the target branch for pull
request events and the previous remote
commit of the current branch for
push events. |
+| since\_last\_remote\_commit | string | false | `"false"` | Use the last commit on the
remote branch as the `base_sha`. Defaults
to the last non merge commit
on the target branch for pull
request events and the previous remote
commit of the current branch for
push events. |
| until | string | false | | Get changed files for commits whose
timestamp is earlier than the given
time. |
| write\_output\_files | string | false | `"false"` | Write outputs to files in the
`.github/outputs` folder by default. |