Update RFC-00xx-automatic-implicit-differentiation.md

Author: 0x00b1

RFC-00xx-automatic-implicit-differentiation.md

@@ -261,7 +261,9 @@ def fixed_point(f: Callable, g: Callable):
     pass
 ```
 
-##### `@torch.optim.root_jvp`
+#### Functions
+
+##### `torch.optim.root_jvp`
 
 ```Python
 from typing import Any, Callable, Tuple
@@ -287,7 +289,7 @@ def root_jvp(
     pass
 ```
 
-##### `@torch.optim.root_vjp`
+##### `torch.optim.root_vjp`
 
 ```Python
 from typing import Any, Callable, Tuple