Update src/ty.md

Co-authored-by: Michael Goulet <[email protected]>

Author: chenyukang

src/ty.md

@@ -137,7 +137,9 @@ benefits of interning.
 
 ## Allocating and working with types
 
-To allocate a new type, you can use the various `new_` methods defined on the [`rustc_middle::ty`](https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/struct.Ty.html). These have names
+To allocate a new type, you can use the various `new_*` methods defined on
+[`Ty`](https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/struct.Ty.html).
+These have names
 that correspond mostly to the various kinds of types. For example:
 
 ```rust,ignore