diff --git a/README.md b/README.md
index 06f40e7..7dc5891 100644
--- a/README.md
+++ b/README.md
@@ -39,17 +39,17 @@ The hardware.nix specifies additional NixOS configuration, while home.nix specif
 |- flake.nix\
 |- flake.lock\
 |- system1/\
-|---- configuration.nix (required)\
-|---- hardware.nix (optional)\
-|---- home.nix (optional)
+|----- configuration.nix (required)\
+|----- hardware.nix (optional)\
+|----- home.nix (optional)\
 |- system2/\
-|---- configuration.nix (required)\
-|---- hardware.nix (optional)\
-|---- home.nix (optional)
+|----- configuration.nix (required)\
+|----- hardware.nix (optional)\
+|----- home.nix (optional)\
 |- system3/\
-|---- configuration.nix (required)
-|---- hardware.nix (optional)\
-|---- home.nix (optional)
+|----- configuration.nix (required)\
+|----- hardware.nix (optional)\
+|----- home.nix (optional)
 
 Here is a minimal required configuration.nix (the TODOs mention a required change):