diff --git a/README.md b/README.md
index 70d89a7..e11f35a 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,11 @@ Edit this script and specify the target dataset where you want the backup files
 
 Optional features:
 * Specify your email address to receive notification messages whenever the script executes.
-* Specify your ESXi short hostname to backup the ESXi server configuration.
+* Specify your ESXi short hostname to backup the ESXi server configuration file. These backup files are formed from the hostname and date in this format: _hostname-configBundle-date.tgz_. Here is an example from a recent backup on my server named _felix_, on which _boomer_ is a guest:
+
+  ```
+  felix-configBundle-20170315224905.tgz
+  ```
 ***
 # set_hdd_erc.sh