diff --git a/notify.md b/notify.md
index 907488d..2c56f49 100644
--- a/notify.md
+++ b/notify.md
@@ -536,7 +536,7 @@ acme.sh --set-notify --notify-hook weixin_work
 
 ## 19. Set notification for Discord Webhooks
 
-First get your [Discord Webhook URL](https://support.discord.com/hc/en-us/articles/228383668-Intro-to-Webhooks), then set it in your systems environment:
+First, get your [Discord Webhook URL](https://support.discord.com/hc/en-us/articles/228383668-Intro-to-Webhooks), then set it in your systems environment:
 
 ```sh
 export DISCORD_WEBHOOK_URL="..."
@@ -544,13 +544,30 @@ export DISCORD_AVATAR_URL="..."  # if empty, defaults to the defined avatar
 export DISCORD_USERNAME="..."    # if empty, defaults to the defined username
 ```
 
-Ok, let's set notification hook:
+Ok, let's set the notification hook:
 
 ```
 acme.sh --set-notify  --notify-hook discord
 ```
 
-The `DISCORD_WEBHOOK_URL`, `DISCORD_AVATAR_URL` and `DISCORD_USERNAME` will be saved in ~/.acme.sh/account.conf and will be reused when needed.
+The `DISCORD_WEBHOOK_URL`, `DISCORD_AVATAR_URL`, and `DISCORD_USERNAME` will be saved in ~/.acme.sh/account.conf and will be reused when needed.
+
+## 20. Set notification for Whatsapp by CallmeBot
+
+First, get your [CallmeBot Webhook URL](https://www.callmebot.com/blog/free-api-whatsapp-messages/), then set it in your systems environment:
+
+```sh
+export CALLMEBOT_YOUR_PHONE_NO="..."      # your phone no
+export CALLMEBOT_API_KEY="..."
+```
+
+Ok, let's set the notification hook:
+
+```
+acme.sh --set-notify  --notify-hook callmebotWhatsApp
+```
+
+The `CALLMEBOT_YOUR_PHONE_NO` and `CALLMEBOT_API_KEY` will be saved in ~/.acme.sh/account.conf and will be reused when needed.