diff --git a/exercises/04/vslc/src/tree.c b/exercises/04/vslc/src/tree.c
index 03dd7ed..a385870 100644
--- a/exercises/04/vslc/src/tree.c
+++ b/exercises/04/vslc/src/tree.c
@@ -164,8 +164,8 @@ prune_children(node_t **simplified, node_t *root)
     switch (root->type)
     {
     case GLOBAL:
-    //case ARGUMENT_LIST:
-    //case PARAMETER_LIST:
+    //case ARGUMENT_LIST:     // For this to work, need to change order of operations
+    //case PARAMETER_LIST:    // For this to work, need to change order of operations
     case STATEMENT:
     case PRINT_ITEM:
     case PRINT_STATEMENT: