message: Fix code snippet in comment.
diff: @@ -1222,7 +1222,7 @@ def yield_flat_paths(nest, expand_composites=False):
  integers or other types which are used as indices in a dict.
  The flat list will be in the corresponding order as if you called
  - `snt.nest.flatten` on the structure. This is handy for naming Tensors such
  + `nest.flatten` on the structure. This is handy for naming Tensors such
  the TF scope structure matches the tuple structure.
  E.g. if we have a tuple `value = Foo(a=3, b=Bar(c=23, d=42))`
  