docs/reference/manifest: Add link to details about opt-level for freeze.

3 years ago · ea9a904b72
1 changed files with 1 additions and 1 deletions
--- a/docs/reference/manifest.rst
+++ b/docs/reference/manifest.rst
@ -57,7 +57,7 @@ Freezing source code
    directory then all files in that directory will be frozen.
    *opt* is the optimisation level to pass to mpy-cross when compiling ``.py``
-    to ``.mpy``.
+    to ``.mpy``.  These levels are described in :func:`micropython.opt_level`.
 .. function:: freeze_as_str(path)