diff --git a/libc/include/time.h b/libc/include/time.h
index 08f30ef..31c2050 100644
--- a/libc/include/time.h
+++ b/libc/include/time.h
@@ -42,7 +42,13 @@
 /* If we just use void* in the typedef, the compiler exposes that in error messages. */
 struct __timezone_t;
 
-/** The `timezone_t` type that represents a timezone. */
+/**
+ * The `timezone_t` type that represents a timezone.
+ *
+ * To use this with std::unique_ptr you'll want something like
+ * `std::unique_ptr<std::remove_pointer_t<timezone_t>, decltype(&tzfree)> tz{tzalloc("Asia/Seoul"), tzfree};`
+ * to remove the pointer.
+ */
 typedef struct __timezone_t* timezone_t;
 
 /** Divisor to compute seconds from the result of a call to clock(). */
@@ -300,6 +306,10 @@
  * tzalloc() is thread safe (though obviously the system timezone can
  * change, especially if your mobile device is actually mobile!).
  *
+ * To use this with std::unique_ptr you'll want something like
+ * `std::unique_ptr<std::remove_pointer_t<timezone_t>, decltype(&tzfree)> tz{tzalloc("Asia/Seoul"), tzfree};`
+ * to remove the pointer.
+ *
  * Returns a timezone object on success, and returns NULL and sets `errno` on failure.
  *
  * Available since API level 35.
@@ -309,6 +319,10 @@
 /**
  * tzfree(3) frees a timezone object returned by tzalloc().
  *
+ * To use this with std::unique_ptr you'll want something like
+ * `std::unique_ptr<std::remove_pointer_t<timezone_t>, decltype(&tzfree)> tz{tzalloc("Asia/Seoul"), tzfree};`
+ * to remove the pointer.
+ *
  * Available since API level 35.
  */
 void tzfree(timezone_t _Nullable __tz) __INTRODUCED_IN(35);