diff --git a/README.md b/README.md
index 5c2063f..203484e 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ Insert the brackets in the input field and submit it to itself ($_GET) to check
 
 ## Logic
 
-Is very simples, just count opening and closing brackets, if the number of close and opening brackets dont fit PHP throw an invalid message
+Is very simples, just count opening and closing brackets, if the number of close and opening brackets dont fit PHP throw an invalid message. It has an special case scenario, not contempled by examples below, it must check position for first ocurrencies of opening brackets (dont need to be recursive), they must come first than closet bracket.
 
 Examples:
 * (){}[] is valid