diff --git a/src/json_entities/json_entities.c b/src/json_entities/json_entities.c
index 9510a85..cb757eb 100644
--- a/src/json_entities/json_entities.c
+++ b/src/json_entities/json_entities.c
@@ -4,6 +4,10 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+// TODO (Abdelrahman): Because print_json and free_json are recursive functions,
+// they seem to cause stack overflow when dealing with large files. Refactor
+// both of them to avoid this problem.
+
 void print_json(const jentity_t *entity, u32 indent) {
   PERSISTENT i32 indentation = 0;