diff --git a/content/00_randomness.html b/content/00_randomness.html
index 5b0a084..914c739 100644
--- a/content/00_randomness.html
+++ b/content/00_randomness.html
@@ -99,7 +99,7 @@
 <p>Next, the walker takes the appropriate step (left, right, up, or down), depending on which random number was picked. Here’s the full <code>step()</code> method closing out the <code>Walker</code> class:</p>
 <div class="snip-above">
   <pre class="codesplit" data-code-language="javascript">  step() {
-    // 0, 1, 2, or 3. The random choice determines the step.
+    //{!1} 0, 1, 2, or 3. The random choice determines the step.
     let choice = floor(random(4));
     if (choice === 0) {
       this.x++;