Fix grammar in security section of README

Author: haroontrailblazer

README.md

@@ -89,7 +89,7 @@ Cloud Backup · Cloud Computing · Cloud Security · Compliance Lifecycle · Cyb
 ## Security & Privacy
 
 - All passwords are processed locally in the browser and hashed before any breach verification.  
-- No user passwords or sensitive information are not stored on the server.  
+- No user passwords or sensitive information are stored on the server.  
 
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