Update README.md

fix: improved wording in README.md for clarity

Author: YuhanCatherineDong

README.md

@@ -18,7 +18,7 @@ Read in different language : [**zh**](localization/zh/README.md), [**ko**](local
 
 Design patterns are the best, formalized practices a programmer can use to solve common problems when designing an application or system.
 
-Design patterns can speed up the development process by providing tested, proven development paradigms.
+Design patterns can speed up the development process by providing tested, proven paradigms.
 
 Reusing design patterns helps prevent subtle issues that cause major problems, and it also improves code readability for coders and architects who are familiar with the patterns.