diff --git a/exercises/06/vslc/src/parser.y b/exercises/06/vslc/src/parser.y
index 1057d47..85a364f 100644
--- a/exercises/06/vslc/src/parser.y
+++ b/exercises/06/vslc/src/parser.y
@@ -219,6 +219,11 @@ relation:
   | expression '>' expression {
       $$ = NODE(RELATION, strdup(">"), 2, $1, $3);
     }
+  /* This can actually be extented with the following (with some minor tweaks to the generator.c)
+  | expression {
+      $$ = NODE(RELATION, NULL, 1, $1);
+    }
+    That will allow to have "if 1 then" or "while 1 do" */
   ;
 
 expression: