diff --git a/src/@types/global.d.ts b/src/@types/global.d.ts
index c58dca0a09..91b91de90d 100644
--- a/src/@types/global.d.ts
+++ b/src/@types/global.d.ts
@@ -64,6 +64,8 @@ declare global {
 
     interface Navigator {
         userLanguage?: string;
+        // https://github.com/Microsoft/TypeScript/issues/19473
+        // https://developer.mozilla.org/en-US/docs/Web/API/MediaSession
         mediaSession: any;
     }