Update readme

README.md

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 This open source plugin can be used to analyze the ESQL-sourcecode of IBM Websphere Message Broker / IBM Integration Bus projects. 
 
-##Features
-* >75 rules
+## Features
+* \>75 rules
 * Support for Broker 7, 8, 9, 10
 * Metrics (complexity, number of lines, ...)
 * Import of traces as coverage reports
@@ -30,7 +30,7 @@ This open source plugin can be used to analyze the ESQL-sourcecode of IBM Websph
 
 ## History
 
-- 2.3.0 - Additional rules and upgrade to SonarQube 6.7
+- 2.3.0 - Additional rules, upgrade to SonarQube 6.7, copy paste detector
 - 2.2.0 - Code coverage analysis
 - 2.1.0 - A few bugfixes and a lot more checks/rules
 - 2.0.0 - complete refactoring and upgrade to SonarQube 5.6