diff --git a/README.md b/README.md
index efbf617..942f29a 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,10 @@ Collection of Bash scripts that execute functionalities in folders.
 
 ## Video optmizer
 
-Folder that watches when new videos are added to a folder and optimizes them.
+Folder that watches when new videos are added and optimizes them.
+
+For security, it **only detects files that have been copied! Ignore moved files**.
+
 
 ### Requirements
 
@@ -52,7 +55,7 @@ Create a file in `/etc/systemd/system/dynamic-folders-video-optimizer.service` w
 
 ```ini
 [Unit]
-Description=Folder that watches when new videos are added to a folder and optimizes them.
+Description=Folder that watches when new videos are added and optimizes them.
 
 [Service]
 Restart=always