update objectives

README.md

@@ -14,8 +14,7 @@ Work in progress, not functional.
 Mnemosyne is placed between your load balancer (ex: nginx) and your server applications that needs their requests to be cached. It will optimize the resources by caching responses and adding caching headers that will ask clients to re-use the cache locally. The cache will be expired based on activity and from manual invalidation.
 ## Objectives
 This software is meant to add caching capability to your backend service without adding any code and be agnostic about them. 
-It must give a very good performance for common usages of websites, but will sacrifice small performance for modularity and easier maintenance.
-For example, the code will always be safe even if unsafe could bring more performance.   
+It must give a very good performance for common usages of websites, but will sacrifice small performance for modularity and easier maintenance if needed.
 ## Features
 - configuration file
 - multiple endpoints possible