docs: clarify scan vs fix workflow

README.md

@@ -33,15 +33,15 @@ cargo install --path ./vid-repair
 ### Common commands 💻
 
 ```bash
-# Scan files or folders
+# Most users: scan + fix in one step
+vid-repair fix /path/to/videos
+
+# Scan only (no changes)
 vid-repair scan /path/to/videos
 
 # Watch a folder and scan new/changed files once they finish writing
 vid-repair scan --watch /path/to/videos
 
-# Fix (safe policy, in-place)
-vid-repair fix /path/to/videos
-
 # Fix with aggressive policy (allows re-encode)
 vid-repair fix --policy aggressive /path/to/videos
 
@@ -49,6 +49,9 @@ vid-repair fix --policy aggressive /path/to/videos
 vid-repair scan --json /path/to/videos
 ```
 
+**Note:** `fix` always performs a full scan first, then repairs only if issues are found.  
+Use `scan` when you just want a report without making changes.
+
 ### Scan depth 🔎
 
 ```bash