diff --git a/docs/frontend/architecture.md b/docs/frontend/architecture.md
index 614a42d7..bb91e294 100644
--- a/docs/frontend/architecture.md
+++ b/docs/frontend/architecture.md
@@ -11,7 +11,7 @@ The Home Assistant frontend can be broken up in 4 parts:
 
 ### Bootstrap
 
-File: `src/entrypoints/core.js`
+File: `src/entrypoints/core.ts`
 
 This is a very tiny script which is the first thing that is loaded on the page. It is responsible for checking for authentication credentials and setting up the websocket connection with the backend.
 
@@ -19,7 +19,7 @@ The script allows us to start downloading the data while also downloading the re
 
 ### App shell
 
-File: `src/entrypoints/app.js`
+File: `src/entrypoints/app.ts`
 
 This is everything that is required to render the sidebar and handle the routing.