diff --git a/bin/main.ml b/bin/main.ml
index 513d089..854916f 100644
--- a/bin/main.ml
+++ b/bin/main.ml
@@ -3,6 +3,7 @@ open Printf;;
 open Lisp;;
 open Eval;;
 open Read;;
+
 let rec repl env c =
   let () = printf ">>> "; Out_channel.flush Out_channel.stdout; in
   match In_channel.input_line c with
@@ -14,4 +15,5 @@ let rec repl env c =
     Out_channel.flush Out_channel.stdout;
     repl env c;;
 
-let _ = repl (make_env ()) (In_channel.stdin)
\ No newline at end of file
+
+let _ = repl (make_env ()) (In_channel.stdin)
diff --git a/lib/dune b/lib/dune
index 2c9d859..c6ff196 100644
--- a/lib/dune
+++ b/lib/dune
@@ -1,7 +1,5 @@
 (library
- (name lisp)
- ;(modules ast read lexer parser)
- )
+ (name lisp))
 
 (include_subdirs unqualified)
 
diff --git a/lib/lexer.mll b/lib/lexer.mll
index 7e2407c..6ea1db4 100644
--- a/lib/lexer.mll
+++ b/lib/lexer.mll
@@ -33,4 +33,3 @@ rule read =
     | '\'' { QUOTE }
     | _ { raise (SyntaxError ("Unexpected char: " ^ Lexing.lexeme lexbuf))}
     | eof { EOF }
-
diff --git a/lib/parser.mly b/lib/parser.mly
index 77e51cc..421e932 100644
--- a/lib/parser.mly
+++ b/lib/parser.mly
@@ -15,20 +15,20 @@
 %%
 
 prog:
-    | EOF { None }
-    | e = expr { Some e }
-    ;
+  | EOF { None }
+  | e = expr { Some e }
+;
 
 expr:
-    | i = INT { LInt i }
-    | d = DOUBLE {LDouble d}
-    | s = SYM { LSymbol s }
-    | s = STR { LString (String.uppercase_ascii s) }
-    | LPAREN; l = lisp_list_rest { l }
-    | QUOTE; e = expr { LQuoted e}
-    ;
+  | i = INT { LInt i }
+  | d = DOUBLE {LDouble d}
+  | s = SYM { LSymbol s }
+  | s = STR { LString (String.uppercase_ascii s) }
+  | LPAREN; l = lisp_list_rest { l }
+  | QUOTE; e = expr { LQuoted e}
+;
 
 lisp_list_rest:
-    | RPAREN { LNil }
-    | e = expr; lr = lisp_list_rest { LCons (e, lr) }
-    ;
+  | RPAREN { LNil }
+  | e = expr; lr = lisp_list_rest { LCons (e, lr) }
+;