docs/glossary: micropython-lib: Clarify wording.

docs/reference/glossary.rst

@@ -95,8 +95,8 @@ Glossary
         `micropython-lib <https://github.com/micropython/micropython-lib>`_
         which provides implementations for many modules from CPython's
         standard library. However, large subset of these modules require
-        POSIX-like environment (Linux, MacOS, Windows may be partially
-        supported), and thus would work or make sense only with
+        POSIX-like environment (Linux, FreeBSD, MacOS, etc.; Windows may be
+        partially supported), and thus would work or make sense only with
         `MicroPython Unix port`. Some subset of modules is however usable
         for `baremetal` ports too.