diff --git a/libc/include/sys/reboot.h b/libc/include/sys/reboot.h
index 5d9e1a7..f4bc861 100644
--- a/libc/include/sys/reboot.h
+++ b/libc/include/sys/reboot.h
@@ -50,7 +50,7 @@
 #define RB_POWER_OFF LINUX_REBOOT_CMD_POWER_OFF
 
 /**
- * [reboot(2)](http://man7.org/linux/man-pages/man2/reboot.2.html) reboots the device.
+ * [reboot(2)](https://man7.org/linux/man-pages/man2/reboot.2.html) reboots the device.
  *
  * Does not return on successful reboot, returns 0 if CAD was successfully enabled/disabled,
  * and returns -1 and sets `errno` on failure.