Update link to Normalize.ml file in README.md

README.md

@@ -117,7 +117,7 @@ OCamlFormat requires source code that meets the following conditions:
 
 Under those conditions, OCamlFormat is expected to produce output equivalent to the input. As a safety check in case of bugs, prior to terminating or modifying any input file, OCamlFormat enforces the following checks:
 
-- The parse trees obtained by parsing the original and formatted files are equal up to some minor normalization (see [`Normalize`](./src/Normalize.ml)`.equal_impl` or `equal_intf`).
+- The parse trees obtained by parsing the original and formatted files are equal up to some minor normalization (see [`Normalize`](./lib/Normalize.ml)`.equal_impl` or `equal_intf`).
 
 - The documentation strings, and their attachment, has been preserved (implicit in the parse tree check).