diff --git a/Installation.md b/Installation.md
index 69fb110..adeef16 100644
--- a/Installation.md
+++ b/Installation.md
@@ -12,6 +12,7 @@ your PrivateBin instance!
 - GD extension
 - mcrypt extension (recommended)
 - some disk space or (optional) a database supported by PDO
+- ability to create files and folders in the installation directory and the PATH
 - A web browser with javascript support
 
 ### Configuration