Update README.md

Author: Blueve

README.md

@@ -2,10 +2,10 @@
 A simple csv file decoder for Hay Day (a mobile game from supercell).
 
 You can decode the game file to human-readable csv file.
-With that program, you can discover the inter parameter of the game for free, such as FUTURE EVENT CALENDAR, ITEM PICKUP PROBABILITY TABLE...
+With this program, you can discover the inter parameter of the game for free, such as FUTURE EVENT CALENDAR, ITEM PICKUP PROBABILITY TABLE...
 
 ## Build Guide
-1. Build project by VS2013
+1. Build GUI project by VS2015
 1. Run
 
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@@ -15,5 +15,5 @@ With that program, you can discover the inter parameter of the game for free, su
 通过这个程序，你可以自由探索游戏的内部数值设定，例如未来游戏活动日历，道具拾取概率表等
 
 ## 构建指南
-1. 使用VS2013构建项目
+1. 使用VS2015构建GUI项目
 2. 运行