RFC: const ergonomics for NonZero<T>

text/3786-const-nonzero-ergonomics.md

@@ -228,7 +228,7 @@ foo(123 - 1); // Error - coercion not applied for expressions.
 const MAGIC_VALUE: NonZero<i8> = 123; // OK - coercion logic is same as when calling a fn.
 
 let i: i8 = 123;
-foo(i); // Error - the coercion only applies to literals, not for values in general.
+foo(i); // Error - the coercion only applies to literals and `i` is not a literal.
 ```
 
 # Drawbacks