missing punctuation

Author: jakevdp

docs/jep/12049-type-annotations.md

@@ -207,7 +207,7 @@ To move forward with type annotations, we will do the following:
 
   - `NDArray` / `ArrayLike`
   - `Dtype` / `DtypeLike` (Check on capitalization of the `t`: what do other projects use?)
-  - `Shape` `NamedShape` / `ShapeLike`
+  - `Shape` / `NamedShape` / `ShapeLike`
   - Move the `jnp.ndarray` definition into `typing.ndarray`; continue aliasing it at its current location.
 
 3. Once this is implemented, use these new typing definitions to comprehensively annotate functions within `jax.lax` according to the guidelines above.