diff --git a/src/scriptlets/m3u-prune.js b/src/scriptlets/m3u-prune.js
index b6b25ed8f..96552e265 100644
--- a/src/scriptlets/m3u-prune.js
+++ b/src/scriptlets/m3u-prune.js
@@ -280,6 +280,7 @@ export function m3uPrune(source, propsToRemove, urlToMatch) {
      * @param {string} text
      * @returns {string}
      */
+    // TODO: make it compatible with $hls modifier
     const pruneM3U = (text) => {
         let lines = text.split(/\n\r|\n|\r/);