fixed readme

Author: Denis Buzmakov

brackets/README.md

@@ -1,8 +1,8 @@
-## Balanced Parentheses
+## Balanced Brackets
 
 ### Description
-Given a sequence consisting of parentheses, determine whether the expression is balanced. A sequence of parentheses is balanced if every open parenthesis can be paired uniquely with a closed parenthesis that occurs after the former. Also, the interval between them must be balanced. You will be given three types of parentheses: (, {, [.
+Given a sequence consisting of brackets, determine whether the expression is balanced. A sequence of brackets is balanced if every open bracket can be paired uniquely with a closed bracket that occurs after the former. Also, the interval between them must be balanced. You will be given three types of brackets: (, {, [.
 
-`([{}])` - this is balanced parenthesis
+`([{}])` - this is balanced brackets
 
-`([{]})` - this is not balanced parenthesis
+`([{]})` - this is not balanced brackets