diff --git a/pkg/git/git.go b/pkg/git/git.go
index f5260b26..39212189 100644
--- a/pkg/git/git.go
+++ b/pkg/git/git.go
@@ -23,13 +23,13 @@ import (
 
 type Git struct{}
 
-// AddWorktree creates a new Git worktree with a detached HEAD for the given committish and returns its path.
-func (g *Git) AddWorktree(workingDir string, committish string) (string, error) {
+// AddWorktree creates a new Git worktree with a detached HEAD for the given commit-ish and returns its path.
+func (g *Git) AddWorktree(workingDir string, commitIsh string) (string, error) {
 	dir, err := os.MkdirTemp("", "chart-releaser-")
 	if err != nil {
 		return "", err
 	}
-	command := exec.Command("git", "worktree", "add", "--detach", dir, committish)
+	command := exec.Command("git", "worktree", "add", "--detach", dir, commitIsh)
 
 	if err := runCommand(workingDir, command); err != nil {
 		return "", err
diff --git a/pkg/releaser/releaser.go b/pkg/releaser/releaser.go
index 240f9a2a..439ae818 100644
--- a/pkg/releaser/releaser.go
+++ b/pkg/releaser/releaser.go
@@ -53,7 +53,7 @@ type GitHub interface {
 }
 
 type Git interface {
-	AddWorktree(workingDir string, committish string) (string, error)
+	AddWorktree(workingDir string, commitIsh string) (string, error)
 	RemoveWorktree(workingDir string, path string) error
 	Add(workingDir string, args ...string) error
 	Commit(workingDir string, message string) error