Update options.go

Co-authored-by: Paulo Gomes <paulo.gomes.uk@gmail.com>

options.go

@@ -47,12 +47,12 @@ type CloneOptions struct {
 	// Fetch only ReferenceName if true.
 	SingleBranch bool
 	// Mirror clones the repository as a mirror.
-	// This implies bare and fetches all refs.
-	// Compared to --bare, --mirror not only maps local branches of the source
-	// to local branches of the target, it maps all refs (including
-	// remote-tracking branches, notes etc.) and sets up a refspec
-	// configuration such that all these refs are overwritten by a git remote
-	// update in the target repository.
+	//
+	// Compared to a bare clone, mirror not only maps local branches of the
+	// source to local branches of the target, it maps all refs (including
+	// remote-tracking branches, notes etc.) and sets up a refspec configuration
+	// such that all these refs are overwritten by a git remote update in the
+	// target repository.
 	Mirror bool
 	// No checkout of HEAD after clone if true.
 	NoCheckout bool