rst

restore `value`

src/ch13-03-improving-our-io-project.md

@@ -118,7 +118,7 @@ the program. We want to ignore that and get to the next value, so first we call
 value we want to put in the `query` field of `Config`. If `next` returns a
 `Some`, we use a `match` to extract the value. If it returns `None`, it means
 not enough arguments were given and we return early with an `Err` value. We do
-the same thing for the `file_path` field.
+the same thing for the `file_path` value.
 
 ### Making Code Clearer with Iterator Adaptors