diff --git a/site/pages/pet.md b/site/pages/pet.md
index e726033..dc10549 100644
--- a/site/pages/pet.md
+++ b/site/pages/pet.md
@@ -76,6 +76,12 @@ embed:
 
 <details>
 	<summary>changelog</summary>
+	<details>
+		<summary>07/04/2024</summary>
+		<ul>
+			<li>oops pets couldn't age past puppies..</li>
+		</ul>
+	</details>
 	<details>
 		<summary>06/25/2024</summary>
 		<ul>
diff --git a/site/root/js/pet.js b/site/root/js/pet.js
index eb0ad07..931f4ea 100644
--- a/site/root/js/pet.js
+++ b/site/root/js/pet.js
@@ -513,7 +513,7 @@
     pet.needsAdvancement = false;
     pet.updateDom();
   };
-  for (let btn of document.querySelectorAll("button.advancement")) {
+  for (let btn of document.querySelectorAll("button.advance")) {
     btn.addEventListener("click", advance);
   }