diff --git a/app/static/js/ascroll.js b/app/static/js/ascroll.js
index 8f02a34..b69620e 100644
--- a/app/static/js/ascroll.js
+++ b/app/static/js/ascroll.js
@@ -141,6 +141,11 @@ function formatInfo(config, ascroll) {
             }
             title.onclick = event => {
                 section.style.display = section.style.display == "none" ? "block" : "none"
+                if (section.style.display == "block") {
+                    section.querySelectorAll("pandora-scroll").forEach(ps => {
+                        ps.updateAnnotationHeight()
+                    })
+                }
                 div.querySelectorAll("h3.toggle").forEach(other => {
                     if (other != title) {
                         var osection = other.nextElementSibling
diff --git a/app/static/js/pandora-scroll.js b/app/static/js/pandora-scroll.js
index 3892b98..3ddab24 100644
--- a/app/static/js/pandora-scroll.js
+++ b/app/static/js/pandora-scroll.js
@@ -29,6 +29,18 @@ class PandoraScroll extends HTMLElement {
             video.muted = true
         })
     }
+    this.updateAnnotationHeight = function() {
+        var height = 0
+        var text = shadow.querySelector('.text')
+        text.querySelectorAll('.annotation.single').forEach(annotation => {
+            var rect = annotation.getBoundingClientRect()
+            console.log(annotation, rect.height)
+            if (rect.height > height) {
+                height = rect.height
+            }
+        })
+        text.style.height = height + 'px';
+    }
   }