diff --git a/README.md b/README.md
index 0db5bb6..ef98461 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ The server will start on `http://localhost:8080`
 
 Configure your client (Postman, Insomnia, or whatever) to send this body in a `POST` to url `/call1`:
 
-```
+```xml
 <?xml version = "1.0"?>
 <SOAP-ENV:Envelope
         xmlns:SOAP-ENV = "http://www.w3.org/2001/12/soap-envelope"
@@ -31,7 +31,7 @@ Configure your client (Postman, Insomnia, or whatever) to send this body in a `P
 
 You should get this in response:
 
-```
+```xml
 <?xml version = "1.0"?>
 <SOAP-ENV:Envelope
   xmlns:SOAP-ENV = "http://www.w3.org/2001/12/soap-envelope"