diff --git a/Why-are-we-using-%60gitea.com%2FBoYanZh%2Fcheckout%60%3F.md b/Why-are-we-using-%60gitea.com%2FBoYanZh%2Fcheckout%60%3F.md
index 40899fa..cac1233 100644
--- a/Why-are-we-using-%60gitea.com%2FBoYanZh%2Fcheckout%60%3F.md
+++ b/Why-are-we-using-%60gitea.com%2FBoYanZh%2Fcheckout%60%3F.md
@@ -1,3 +1,3 @@
-1. `act_runner` only supports URL with format `${host}/${owner}/${name}`, `${host}/git/${owner}/${name}` does not work. Check [here](https://gitea.com/gitea/act/src/commit/165620676543e66a1fcfda6520c65bea3be51ede/pkg/runner/step_action_remote.go#L307).
+1. `act_runner` only supports URL with format `${host}/${owner}/${name}`, `${host}/git/${owner}/${name}` does not work. So we can not use self-hosted checkout. Check [here](https://gitea.com/gitea/act/src/commit/165620676543e66a1fcfda6520c65bea3be51ede/pkg/runner/step_action_remote.go#L307).
 2. By default, `actions/checkout` also only supports URL with format `${host}/${owner}/${name}`. Check [here](https://gitea.com/actions/checkout/src/commit/85e6279cec87321a52edac9c87bce653a07cf6c2/src/url-helper.ts#L19).
 3. `gitea.com/BoYanZh/checkout` is modified, which hardcodes ssh port and our URL format to clone the repo in `act_runner`. Check [here](https://gitea.com/BoYanZh/checkout/src/commit/4c8f4bdc40a644db67b4468842e454e439891c72/src/url-helper.ts#L19).
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