diff --git a/docs/content/install.md b/docs/content/install.md
index fd669f3d0..08862bcfc 100644
--- a/docs/content/install.md
+++ b/docs/content/install.md
@@ -29,6 +29,9 @@ For beta installation, run:
 
     curl https://rclone.org/install.sh | sudo bash -s beta
 
+Note that this script checks the version of rclone installed first and
+won't re-download if not needed.
+
 ## Linux installation from precompiled binary ##
 
 Fetch and unpack