diff --git a/languages.toml b/languages.toml
index a99516db4..fb11ef9eb 100644
--- a/languages.toml
+++ b/languages.toml
@@ -1762,7 +1762,7 @@ scope = "source.gitrebase"
 file-types = [{ glob = "git-rebase-todo" }]
 injection-regex = "git-rebase"
 comment-token = "#"
-indent = { tab-width = 2, unit = "y" }
+indent = { tab-width = 2, unit = "\t" }
 
 [[grammar]]
 name = "git-rebase"