clarify README

README.md

@@ -25,7 +25,7 @@ pnpm run dev
 
 This starts the VitePress development server and WebSocket server for communication.
 
-### Step 3: Use the Downloader Interface
+### Step 3: Use the Web Interface to Process the Video
 
 1. Open the VitePress website in your browser
 2. Enter your video filename in the textbox (e.g. `my video [abc123].mp4`, `presentation.webm`, `my-video [xyz].mpeg`)
@@ -34,16 +34,16 @@ This starts the VitePress development server and WebSocket server for communicat
 The app will:
 - Load the markdown matching the submitted video filename.
   - If it exists: process the video — extract screenshots for timestamps, insert images, and save the markdown.
-  - If it does not exist: create the markdown and exit. Edit the new file (add frontmatter or timestamps), then run the Downloader again.
+  - If it does not exist: create the markdown and exit. Edit the new file (add frontmatter or timestamps), then run the web interface again to process the file.
 
 #### Create/Edit the Markdown File
 
-You may let the Downloader create the markdown file automatically, or create it yourself by placing a file in the `/docs` directory. The filename should match the video filename with any bracketed ID removed and spaces replaced with underscores, for example:
+You may let the web interface create the markdown file automatically, or create it yourself by placing a file in the `/docs` directory. The filename should match the video filename with any bracketed ID removed and spaces replaced with underscores, for example:
 
 - Video file: `my video [abc123].mp4` → Markdown file: `my_video.md`
 - Video file: `presentation.webm` → Markdown file: `presentation.md`
 
-If the file is newly created by the Downloader, you will need to edit the markdown to provide the content or timestamps the app will use. After editing, run the Downloader again to regenerate screenshots and update image references.
+If the file is newly created by the web interface, you will need to edit the markdown to provide the content or timestamps the app will use. After editing, use the web interface again to process the file and regenerate screenshots.
 
 The markdown file content can be one of the following:
 
@@ -86,7 +86,7 @@ docs/                          # VitePress documentation root
   .vitepress/
     theme/
       components/
-        Downloader.vue        # Vue component for the downloader interface
+        Downloader.vue        # Vue component for entering a video filename (web interface / video input UI)
         Video.vue             # Vue component to display videos and linked timestamps
   public/                      # Directory to put downloaded videos
   *.md                         # Markdown files with content