2 files changed, 3 insertions, 2 deletions

diff --git a/scripts/prune-storage.ts b/scripts/prune-storage.ts
index 4ab0b4863..c0cd198f7 100755
--- a/scripts/prune-storage.ts
+++ b/scripts/prune-storage.ts
@@ -91,6 +91,7 @@ async function askConfirmation () {
         confirm: {
           type: 'string',
           description: 'These following unused files can be deleted, but please check your backups first (bugs happen).' +
+            ' Notice PeerTube must have been stopped when your ran this script.' +
             ' Can we delete these files?',
           default: 'n',
           required: true
diff --git a/support/doc/tools.md b/support/doc/tools.md
index 69d68464a..4f806a9db 100644
--- a/support/doc/tools.md
+++ b/support/doc/tools.md
@@ -198,10 +198,10 @@ $ sudo -u peertube NODE_CONFIG_DIR=/var/www/peertube/config NODE_ENV=production
 ### prune-storage.js
 
 Some transcoded videos or shutdown at a bad time can leave some unused files on your storage.
-To delete them (a confirmation will be demanded first):
+Stop PeerTube and delete these files (a confirmation will be demanded first):
 
 ```
-$ sudo -u peertube NODE_CONFIG_DIR=/var/www/peertube/config NODE_ENV=production npm run prune-storage
+$ sudo systemctl stop peertube && sudo -u peertube NODE_CONFIG_DIR=/var/www/peertube/config NODE_ENV=production npm run prune-storage
 ```
 
 ### optimize-old-videos.js