diff --git a/lexer.mll b/lexer.mll
index 9d9cc64..d4bb46b 100644
--- a/lexer.mll
+++ b/lexer.mll
@@ -10,8 +10,8 @@ rule token = parse
   | ')'                         { RPAREN }
   | "->"                        { RARROW }
   | '~'                         { TILDE }
-  | "/\\"                       { LAND }
-  | "\\/"                       { LOR }
+  | "/\\"                       { LAND } (* logical and *)
+  | "\\/"                       { LOR } (* logical or *)
   | ','                         { COMMA }
 
   | "intro"                     { INTRO }
@@ -22,7 +22,7 @@ rule token = parse
   | "split"                     { SPLIT }
   | "left"                      { LEFT }
   | "right"                     { RIGHT }
-  
+
   | "False"                     { FALSE }
 
   | "fun"                       { FUN }