Update index.html

index.html

@@ -227,7 +227,7 @@ Good to see you!
       const container = document.getElementById("buttons")
        const words = shuffleArray(word_text.trim().split("\n"))
         
-          let number = 1
+          let number = 0
         for (let word of words){
           // ボタンを作成
   const button = document.createElement('button');