Fix optimize old videos script

scripts/optimize-old-videos.ts

@@ -61,7 +61,7 @@ async function run () {
         if (originalDuration === newDuration) {
           console.log('Finished optimizing %s', basename(currentFile))
           await remove(backupFile)
-          return
+          continue
         }
 
         console.log('Failed to optimize %s, restoring original', basename(currentFile))

support/doc/plugins/guide.md

@@ -281,10 +281,10 @@ registerHook({
   }
 })
 ```
-  * Don't try to require parent PeerTube modules, only use `peertubeHelpers`. If you need another helper or a specific, please [create an issue](https://github.com/Chocobozzz/PeerTube/issues/new)
+  * Don't try to require parent PeerTube modules, only use `peertubeHelpers`. If you need another helper or a specific hook, please [create an issue](https://github.com/Chocobozzz/PeerTube/issues/new)
   * Don't use PeerTube dependencies. Use your own :) 
 
-If your plugin is broken with a new PeerTube release, update your code and the `peertubeEngine` `package.json` field.
+If your plugin is broken with a new PeerTube release, update your code and the `peertubeEngine` field of your `package.json` field.
 This way, older PeerTube versions will still use your old plugin, and new PeerTube versions will use your updated plugin. 
 
 ### Spam/moderation plugin