fix typo in a comment (#2462)

* fix typo in a comment

* fix typo in a comment

src/js/listeners.js

@@ -883,7 +883,7 @@ class Listeners {
       elements.inputs.volume,
       'wheel',
       (event) => {
-        // Detect "natural" scroll - suppored on OS X Safari only
+        // Detect "natural" scroll - supported on OS X Safari only
         // Other browsers on OS X will be inverted until support improves
         const inverted = event.webkitDirectionInvertedFromDevice;
         // Get delta from event. Invert if `inverted` is true

src/js/plyr.d.ts

@@ -212,7 +212,7 @@ declare class Plyr {
   airplay(): void;
 
   /**
-   * Sets the preview thubmnails for the current source.
+   * Sets the preview thumbnails for the current source.
    */
   setPreviewThumbnails(source: Plyr.PreviewThumbnailsOptions): void;