diff --git a/src/js/listeners.js b/src/js/listeners.js
index dfe118b5..7f05f3ae 100644
--- a/src/js/listeners.js
+++ b/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
diff --git a/src/js/plyr.d.ts b/src/js/plyr.d.ts
index 01e2ba94..976b58c3 100644
--- a/src/js/plyr.d.ts
+++ b/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;