diff --git a/chimes/README.md b/chimes/README.md
index c7650a8..2a33b2c 100644
--- a/chimes/README.md
+++ b/chimes/README.md
@@ -2,11 +2,18 @@
 
 This is a simple setup to make your phone system page a page group and play a chime at noon in any number of timezones.
 
+## Requirements
+- FreePBX version 15 or greater
+- A chime sound file
+- A page group set up in FreePBX
+- A little bit of Linux knowledge
+- Root access to your PBX
+
 ## Installation
 1. Choose a chime sound and upload it to FreePBX through Admin > System Recordings.
-2. Set up a custom context in Admin > Config Edit. Paste the contents of `custom-context.conf` into the file, save, and apply the config.
-3. Set up a Custom Dest in Admin > Custom Destinations. Set the target to `chimes,s,1` and give it any description.
-4. Set up the script `chimes.sh` in `/root/chimes.sh` and make it executable with `chmod +x /root/chimes.sh`.
+2. Using Admin > Config Edit, modify `extensions-custom.conf`, Paste the contents of `custom-context.conf` into the file, then click save.
+3. Set up a Custom Dest in Admin > Custom Destinations. Set the target to `chimes,s,1` and give it any description. Go ahead and click the `Apply Config` button.
+4. These next steps will require you to SSH into your PBX. Set up the script `chimes.sh` in `/root/chimes.sh` and make it executable with `chmod +x /root/chimes.sh`.
 5. Set up crontab with the following line: `0 * * * * /root/chimes.sh`.
 
 ## Configuration