diff --git a/CONTRIBUTING.en-US.md b/CONTRIBUTING.en-US.md
index ea12c22..4ef90ba 100644
--- a/CONTRIBUTING.en-US.md
+++ b/CONTRIBUTING.en-US.md
@@ -30,7 +30,7 @@ We are excited that you are interested in contributing to lancet. Before submitt
 
 - Before submitting a PR, please execute the unit test command: `go test -v ./...` to ensure that all unit test tasks should pass.
 
-- Make sure PRs are created to `rc` branch instead of `master` branch.
+- Make sure PRs are created to `rc` branch instead of other branch.
 
 - If your PR fixes a bug, please provide a description about the related bug.
 
diff --git a/docs/en/guide/contribution_guide.md b/docs/en/guide/contribution_guide.md
index f52d5a1..f16cfb2 100644
--- a/docs/en/guide/contribution_guide.md
+++ b/docs/en/guide/contribution_guide.md
@@ -30,7 +30,7 @@ We are excited that you are interested in contributing to lancet. Before submitt
 
 - Before submitting a PR, please execute the unit test command: `go test -v ./...` to ensure that all unit test tasks should pass.
 
-- Make sure PRs are created to `v2` branch instead of `master` branch.
+- Make sure PRs are created to `rc` branch instead of other branch.
 
 - If your PR fixes a bug, please provide a description about the related bug.
 
diff --git a/docs/guide/contribution_guide.md b/docs/guide/contribution_guide.md
index bb8a9c8..2921e21 100644
--- a/docs/guide/contribution_guide.md
+++ b/docs/guide/contribution_guide.md
@@ -30,7 +30,7 @@ Lancet 的成长离不开大家的支持，如果你愿意为 Lancet 贡献代
 
 - 提交 PR 前请执行单元测试命令：go test -v ./...，确保所有单元测试任务通过。
 
-- 确保 PR 是提交到 `v2` 分支，而不是 `main` 分支。
+- 确保 PR 是提交到 `rc` 分支，而不是其他分支。
 
 - 如果是修复 bug，请在 PR 中给出描述信息。