diff --git a/src/utils.c b/src/utils.c
index d670043..5294ce3 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -84,6 +84,7 @@ int get_hwmon_dir(char *path, const size_t bufsz) {
  * actual slowdown is in the syscalls anyway, open(), read(), close () */
 
 /* read n bytes from path into buffer */
+// file descriptors shouldnt change once opened, so we could open once, cache them, just call read() in the loop, then close all of them on program exit?
 inline size_t read_file(const char *dir, const char *file, char *buffer, const size_t n) {
 	char path[160];		      // bug alert
 	char *nt = stpcpy(path, dir); // nt is a pointer to the null terminator of the copied string