Update README.md

Author: mrniko

redisson-tomcat/README.md

@@ -7,7 +7,7 @@ Supports Tomcat 6.x, 7.x, 8.x
 Advantages
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-Current implementation differs from any other Tomcat Session Manager in terms of efficient storage and update. Each session attribute is written into Redis during each `HttpSession.setAttribute` invocation. While other solutions serialize whole session each time.
+Current implementation differs from any other Tomcat Session Manager in terms of efficient storage and optimized writes. Each session attribute is written into Redis during each `HttpSession.setAttribute` invocation. While other solutions serialize whole session each time.
 
 Usage
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