diff --git a/RETSTONE.md b/RETSTONE.md
index d33195b..78d96ad 100644
--- a/RETSTONE.md
+++ b/RETSTONE.md
@@ -32,11 +32,14 @@ action                          bits 2-28 of repeater id
 - payload: power level if writing
 
 If writing, no response \
-If reading, response is the power level, or 0 if not powered or no repeater with that ID
+If reading, response is the power level, or 0 if not powered or no repeater with that ID (or not loaded)
 
 Reading powers the block down of course \
 BUT you should power it down (or read), wait some, and then read again
 
+**WARNING** the socket is not ratelimited or protected in any way. \
+Though it should be hard to bruteforce, because there's no feedback
+
 ### Retstone
 
 **Network** translates to **reto** in Esperanto \