diff --git a/src/mount.ts b/src/mount.ts
index 7fef1699b..0e14a4144 100644
--- a/src/mount.ts
+++ b/src/mount.ts
@@ -483,7 +483,7 @@ export function mount(
         // otherwise we run into a proxy set error
         // due to https://github.com/vuejs/core/commit/f73925d76a76ee259749b8b48cb68895f539a00f#diff-ea4d1ddabb7e22e17e80ada458eef70679af4005df2a1a6b73418fec897603ceR404
         // introduced in Vue v3.2.45
-        // Also ensures not to include option API components in this this block
+        // Also ensures not to include option API components in this block
         // since they can also have setup state but need to be patched using
         // the regular method.
         if (isScriptSetup(this)) {