Merge pull request #1863 from vlad20012/patch-1

Fix code snippet

Author: carols10cents

src/ch19-04-advanced-types.md

@@ -143,7 +143,7 @@ The `Result<..., Error>` is repeated a lot. As such, `std::io` has this type of
 alias declaration:
 
 ```rust,ignore
-type Result<T> = Result<T, std::io::Error>;
+type Result<T> = std::result::Result<T, std::io::Error>;
 ```
 
 Because this declaration is in the `std::io` module, we can use the fully