diff --git a/c-programming/reverse-ramdisk.c b/c-programming/reverse-ramdisk.c
index 4177401..3f61034 100644
--- a/c-programming/reverse-ramdisk.c
+++ b/c-programming/reverse-ramdisk.c
@@ -11,7 +11,8 @@
  * GCC/Clang/TCC: Compile with -DTEST to set macro TEST as defined, with
  * -DDEBUG to enable debug mode
  *
- * To-Do: Add thread-safe versions of functions (use postfix `_r`)
+ * To-Do: Test: Fix the bug with invalid next size to reallocate
+ * To-Do: Test: Automate the test verification
  */
 
 #include <errno.h>