Fix formatting in compiler error C2394 documentation

Matched what's in the compiler-errors-c2300-through-c2399.md doc, which also matches what I get when I compile this error.

Author: TylerMSFT

docs/error-messages/compiler-errors-1/compiler-error-c2394.md

@@ -7,7 +7,7 @@ helpviewer_keywords: ["C2394"]
 ---
 # Compiler Error C2394
 
-"type::operator 'operator'": CLR/WinRT operator not valid. At least one parameter must be of the following types: 'T^', 'T^%', 'T^&', where T = 'type'
+'*type*::operator *operator*': CLR/WinRT operator not valid. At least one parameter must be of the following types: 'T^', 'T^%', 'T^&', where T = 'type'
 
 An operator in a Windows Runtime or managed type did not have at least one parameter whose type is the same as the type of the operator return value.