Update en.json

abp_io/AbpIoLocalization/AbpIoLocalization/Www/Localization/Resources/en.json

@@ -373,7 +373,7 @@
     "MasteringAbpFramework_Book_What_You_Will_Learn_6": "Work with multi-tenancy to create modular web applications.",
     "MasteringAbpFramework_Book_What_You_Will_Learn_7": "Understand modularity and create reusable application modules.",
     "MasteringAbpFramework_Book_What_You_Will_Learn_8": "Write unit, integration, and UI tests using ABP Framework.",
-    "MasteringAbpFramework_Book_WhoIsThisBookFor": "Who's this book for",
+    "MasteringAbpFramework_Book_WhoIsThisBookFor": "Who's This Book For",
     "MasteringAbpFramework_Book_WhoIsThisBookFor_Description": "This book is for web developers who want to learn software architectures and best practices for building\n maintainable web-based solutions using Microsoft technologies and ABP Framework. Basic knowledge of C#\n and ASP.NET Core is necessary to get started with this book.",
     "ComputersAndTechnology": "Computers & Technology",
     "BuildingMicroserviceSolutions": "Building Microservice Solutions",