Update .release-notes/4595.md

.release-notes/4595.md

@@ -4,7 +4,7 @@ When matching on a tuple element within a union type, the compiler would crash w
 
 The following code fails to compile because of `(123, (let x: I32))` in the `match`. The extra parentheses should be ignored and treated like `(123, let x: I32)`.
 
-```ponyc
+```pony
 let value: (I32 | (I32, I32)) = (123, 42)
 
 match value