diff --git a/src/core/dom.js b/src/core/dom.js
index 2dbcfa451..1dddfaa22 100644
--- a/src/core/dom.js
+++ b/src/core/dom.js
@@ -143,6 +143,27 @@ const create_from_string = (string) => {
     return document.createRange().createContextualFragment(string.trim());
 };
 
+/**
+ * Find the closest scrollable container.
+ *
+ * @param {Node} el - A DOM node to start the search.
+ * @param {String} [direction=xy] - The scroll direction we want to search for.
+ *                                  "x" for a scroll direction in x-position,
+ *                                  "y" for a scroll direction in y-position,
+ *                                  "xy" for a both directions.
+ *
+ * @returns {(Node|null)} - The DOM Node which can act as a scrollable container or "null".
+ */
+const find_scroll_container = (el) => {
+    //
+    // These all have some sort of ``:scrollable`` support:
+    // jquery-ext
+    // pat inject
+    // pat-scroll
+    // pat-scroll-box
+    // bumper
+};
+
 const dom = {
     toNodeArray: toNodeArray,
     querySelectorAllAndMe: querySelectorAllAndMe,
@@ -157,6 +178,7 @@ const dom = {
     create_from_string: create_from_string,
     add_event_listener: events.add_event_listener, // BBB export. TODO: Remove in an upcoming version.
     remove_event_listener: events.remove_event_listener, // BBB export. TODO: Remove in an upcoming version.
+    find_scroll_container: find_scroll_container,
 };
 
 export default dom;
diff --git a/src/pat/inject/inject.js b/src/pat/inject/inject.js
index dc62f1e7e..8f14934b9 100644
--- a/src/pat/inject/inject.js
+++ b/src/pat/inject/inject.js
@@ -980,7 +980,7 @@ const inject = {
         };
         $el.click(trigger);
 
-        // Use case 1: a (heigh-constrained) scrollable parent
+        // Use case 1: a (height-constrained) scrollable parent
         if ($scrollable.length) {
             // if scrollable parent and visible -> trigger it
             // we only look at the closest scrollable parent, no nesting