diff --git a/83.md b/83.md
index f8ce804..8048451 100644
--- a/83.md
+++ b/83.md
@@ -27,21 +27,23 @@ There are two simple clients sending json over [NIP04](https://github.com/nostr-
 `service client` sends `create_invoice` event:
 
 ```json
-{ "create_invoice": {
-        "amount": int,
-        "memo": "<Optional[str]>",
-        "description_hash": "<Optional[bytes]>"
-}
+{
+   "create_invoice":{
+      "amount":"int",
+      "memo":"<Optional[str]>",
+      "description_hash":"<Optional[bytes]>"
+   }
 }
 ```
 
 `funding source client` checks the pubkey has permission and sends `generated_invoice` event:
 
 ```json
-{ "generated_invoice": {
-    "payment_hash": "<string>", 
-    "payment_request": "<string>"
-  }
+{
+   "generated_invoice":{
+      "payment_hash":"<string>",
+      "payment_request":"<string>"
+   }
 }
 ```
 
@@ -50,10 +52,11 @@ There are two simple clients sending json over [NIP04](https://github.com/nostr-
 `service client` sends `pay_invoice` event:
 
 ```json
-{ "pay_invoice": {
-        "invoice":  "<string>",
-        "note": "<Optional[str]>"
-}
+{
+   "pay_invoice":{
+      "invoice":"<string>",
+      "note":"<Optional[str]>"
+   }
 }
 ```
 
@@ -62,18 +65,19 @@ There are two simple clients sending json over [NIP04](https://github.com/nostr-
 `service client` sends `check_payment` event:
 
 ```json
-{ "check_payment": {
-    "payment_hash": "<string>"
-  }
+{
+   "check_payment":{
+      "payment_hash":"<string>"
+   }
 }
-
 ```
 
 `funding source client` checks the pubkey has permission, checks the payment status and sends `payment_status` event:
 
 ```json
-{ "payment_status": {
-    "paid": "<bool>"
-  }
+{
+   "payment_status":{
+      "paid":"<bool>"
+   }
 }
 ```