Update compiler-error-c2715.md

Author: TylerMSFT

docs/error-messages/compiler-errors-2/compiler-error-c2715.md

@@ -15,7 +15,7 @@ Value types are not valid arguments when using exception handling in managed cod
 
 ## Example
 
-The following example generates C2715:
+The following example generates C2715 and shows how to fix it:
 
 ```cpp
 // C2715a.cpp