Update README.md

Author: abhishekdpandey18

README.md

@@ -17,7 +17,7 @@ To build a two-player GUI-based Chess game in Java, focusing on game rules, move
 - You may also use `Eclipse` or `VS Code` with Java extensions.
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 ### ✅ Project Structure
-- The project Structure in already given in a text file CheckMate ## Project Structure.txt
+- The project Structure in already given in a text file `CheckMate ## Project Structure.txt`
 
 
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