diff --git a/scripts/README.md b/scripts/README.md
index 185a045..d98e124 100644
--- a/scripts/README.md
+++ b/scripts/README.md
@@ -24,3 +24,15 @@ If the CPU is at or under the low threshold, the LED turns blue. If it is at or
 high threshold, the LED turns red. If it is in the middle, it gets green.
 
 It is actually very informative for the machine's state. You can easily detect CPU load.
+
+
+
+## mled-iowait, mled-iowaitdetailed ##
+
+My home server doesn't have any LEDs for HDD activity, though it has plenty of HDDs.
+These two scripts attempt to make up for this shortcoming when I need some quick profiling of the machine.
+They actually work better than common HDD activity LEDs because they are based on iowait percentage in one
+second periods (adjustable).
+
+`mled-iowait` has 3 levels, so you get only to set a low and a high threshold.
+`mled-iowaitdetailed` has 6 levels of activity, so you can set 5 thresholds.
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