diff --git a/c-programming/experiments/reverse-ramdisk.c b/c-programming/experiments/reverse-ramdisk.c
index d4798d2..4705e40 100644
--- a/c-programming/experiments/reverse-ramdisk.c
+++ b/c-programming/experiments/reverse-ramdisk.c
@@ -13,7 +13,7 @@
  * GCC/Clang/TCC/LCC: Compile with -DTEST to set macro TEST as defined, and/or
  * with -DDEBUG to enable debug mode
  *
- * TODO:XXX: Fix segmentation fault on second call of `tf_free`
+ * TODO:XXX: `tf_free`: Do not shift the array, only empty entry
  * TODO:XXX: Implement function `tf_finish` to free the array of TempFiles
  * structs
  * TODO:XXX: `tf_free`, `tf_write`, `tf_read`: Do not use `ID` as `index`, but