diff --git a/README-install.md b/README-install.md
index 3a0ab7b..9e499cf 100644
--- a/README-install.md
+++ b/README-install.md
@@ -315,6 +315,7 @@ passwd: password updated successfully
 ```
 
 Now, update to latest Debian packages.
+This should take around ten minutes.
 
 ```
 sudo apt update