diff --git a/README.md b/README.md
index 88505ab..d604b85 100644
--- a/README.md
+++ b/README.md
@@ -27,11 +27,11 @@ cp cf_domains.yaml-example cf_domains.yaml
 nano cf_domains.yaml
 ```
 
-Edit the `cf_domains.yaml` file to include your domains, zone IDs, and DNS record IDs. The file structure should look like this:
+Edit the `cf_domains.yaml` file to include your zone ID(s), and any pre-existing DNS record IDs. The file structure should look like this:
 
 ```yaml
 domain1.com:
-  '@': your_root_domain1.com_dns_record_id_here
+  '@': your_root_domain1.com_dns_record_id_here 
   _id: your_domain1.com_zone_id_here
   sub1: your_sub1.domain1.com_dns_record_id_here
   sub2: your_sub2.domain1.com_dns_record_id_here
@@ -42,7 +42,9 @@ domain2.net:
   sub2: sub2.domain2.net_dns_record_id_here
 ```
 
-Replace the example values with your actual Cloudflare zone IDs and DNS record IDs for each domain and subdomain you want to manage with this script.
+Replace the example values with your actual Cloudflare Zone ID(s), and any DNS record IDs for **pre-existing** domains and subdomains you want to manage with this script. 
+
+Note: you do not need to manually create each subdomains on Cloudflare and enter its DNS Record IDs here. This script will automate that process -- all it needs is the **Zone ID(s)** for the domain(s) you will be creating subdomains on. See the Usage section below.
 
 - (Optional) Create a symlink to use the script from anywhere:
 ```bash
@@ -62,18 +64,20 @@ sudo chmod 644 /etc/caddy/Caddyfile
 
 ## 2. Usage
 
-### 2.1 DDNS Update
-```
-./cf ddns [--force]
-```
-Updates all domains with current IP. Use `--force` to update regardless of IP change.
-
-### 2.2 Adding/Updating Domain Configuration
+### 2.1 Adding/Updating Domain Configuration
 ```
 ./cf <full-domain> [--ip <ip address>] --port <port>
 ```
 Adds or updates domain in Cloudflare and Caddyfile. Default IP is localhost.
 
+Note: using [Tailscale](https://tailscale.com) IPs is highly recommended.
+
+### 2.2 DDNS Update
+```
+./cf ddns [--force]
+```
+Updates all domains with current IP. Use `--force` to update regardless of IP change.
+
 ### 2.3 Updating All Domains
 ```
 ./cf all [--force]