Update src/array_api_extra/_lib/_funcs.py

Co-authored-by: Jake Bowhay <[email protected]>

Author: NeilGirdhar

src/array_api_extra/_lib/_funcs.py

@@ -183,7 +183,7 @@ def create_diagonal(
     Returns
     -------
     array
-        An array having shape (*broadcast_dims, k+abs(offset), k+abs(offset)) with `x`
+        An array having shape ``(*broadcast_dims, k+abs(offset), k+abs(offset))`` with `x`
         on the diagonal (offset by `offset`).
 
     Examples