chore: formatting

books/core/23.html

@@ -1,6 +1,6 @@
-<h2>INTRODUCTION</h2>
+<h1>INTRODUCTION</h1>
 
-<h3>TOKENS</h3>
+<h2>TOKENS</h2>
 <p>
   Some characters will have special "points" at their disposal: Player
   Characters have <strong>Fabula Points</strong> and Villains have
@@ -9,7 +9,7 @@
 </p>
 <p>The more tokens you have, the better.</p>
 
-<h3>DICE</h3>
+<h2>DICE</h2>
 <p>The game makes use of a variety of dice in different shapes:</p>
 <ul>
   <li>
@@ -42,5 +42,3 @@
   You can find these sets of polyhedral dice in game stores (or you can purchase
   them online). You can also download mobile apps that roll dice for you!
 </p>
-
-<footer></footer>