Update README.md

Author: Stan370

README.md

@@ -3,7 +3,7 @@
 # Klotski: The Sliding Block Puzzle  
 
 
-Klotski is a sliding block puzzle that's popular throughout China. Its story is based on a well-known encounter during the **Eastern Han dynasty (25–220)** between **Cao Cao**, the shrewd and clever strategist for the Wei Kingdom, and **Guan Yu**, a commander in the Shu Kingdom army who had once served under Cao Cao.  
+Klotski is a WEB sliding block puzzle that's popular throughout China. Its story is based on a well-known encounter during the **Eastern Han dynasty (25–220)** between **Cao Cao**, the shrewd and clever strategist for the Wei Kingdom, and **Guan Yu**, a commander in the Shu Kingdom army who had once served under Cao Cao.  
 
 ### **Gameplay**  
 The goal is to move the largest block (2x2 block) to an exit with a two-grid side length below without taking it away from the board, while only sliding the blocks.
@@ -70,4 +70,4 @@ However, the origin of this game is not what most people consider to be "one of
 ```bash
 npm install   # Install dependencies
 npm run dev   # Start development server
-npm run build # Build for production
+npm run build # Build for production