diff --git a/15.md b/15.md
index 4fc6ba8..43c5dc2 100644
--- a/15.md
+++ b/15.md
@@ -187,7 +187,7 @@ The `merchant` and the `customer` can exchange JSON messages that represent diff
 
 ### Event `30030` - Step 1: `customer` order
 
-The below JSON goes in `content` of a kind: `30019` event. The event is signed, then sent to `merchant` in a [NIP-17](17.md) Private Direct Message.
+The below JSON goes in `content` of a kind: `30030` event. The event is signed, then sent to `merchant` in a [NIP-17](17.md) Private Direct Message.
 
 ```json
 {
@@ -219,7 +219,7 @@ _Open_: is `contact.nostr` required?
 
 Sent from the `merchant` to the `customer` for payment. Any payment option is valid that the merchant can check.
 
-The below JSON goes in `content` of a kind: `30020` event. The event is signed, then sent to the `customer` in a [NIP-17](17.md) Private Direct Message.
+The below JSON goes in `content` of a kind: `30031` event. The event is signed, then sent to the `customer` in a [NIP-17](17.md) Private Direct Message.
 
 `payment_options`/`type` include:
 
@@ -254,7 +254,7 @@ The below JSON goes in `content` of a kind: `30020` event. The event is signed,
 
 Once payment has been received and processed.
 
-The below JSON goes in `content` of a kind: `30021` event.  The event is signed, then sent to the `customer` in a [NIP-17](17.md) Private Direct Message.
+The below JSON goes in `content` of a kind: `30032` event.  The event is signed, then sent to the `customer` in a [NIP-17](17.md) Private Direct Message.
 
 ```json
 {
@@ -270,7 +270,7 @@ The below JSON goes in `content` of a kind: `30021` event.  The event is signed,
 
 Once order has been shipped.
 
-The below JSON goes in `content` of a kind: `30021` event. The event is signed, then sent to the `customer` in a [NIP-17](17.md) Private Direct Message.
+The below JSON goes in `content` of a kind: `30033` event. The event is signed, then sent to the `customer` in a [NIP-17](17.md) Private Direct Message.
 
 ```json
 {