diff --git a/metadata/com.ath0.rpn.txt b/metadata/com.ath0.rpn.txt
index f13d511834..61281267af 100644
--- a/metadata/com.ath0.rpn.txt
+++ b/metadata/com.ath0.rpn.txt
@@ -6,7 +6,7 @@ Issue Tracker:https://github.com/lpar/RPN/issues
 
 Summary:RPN Calculator
 Description:
-Simple fixed-point decimal arithmetic, Reverse Polish Notation calculator.
+Simple fixed-point decimal arithmetic, Reverse Polish Notation calculator. N.B Versions greater than 2 only work on Android 4 and above.
 .
 
 Repo Type:git