Fix broken anchor

Author: zedr

README.md

@@ -15,7 +15,7 @@
     4. [I: Interface Segregation Principle (ISP)](#interface-segregation-principle-isp)
     5. [D: Dependency Inversion Principle (DIP)](#dependency-inversion-principle-dip)
 6. [Don't repeat yourself (DRY)](#dont-repeat-yourself-dry)
-7. [Translations](#translation)
+7. [Translations](#translations)
 
 ## Introduction