Few explanations how the game works

README.md

@@ -2,8 +2,15 @@
 
 A text dungeon game that teaches you YAML.
 
+The game uses actual YAML parsing libraries and generates semi-random levels
+by describing a secret YAML file that the user has to recreate in the editor.
+
+There are 11 levels in the game, so if you're on level 12, you won the game!
+
 ![screenshot](screenshot.png)
 
 ## How to start:
 
-    cargo run
+    cargo run
+
+## Dependencies