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-rw-r--r--docs/library/sys.rst8
1 files changed, 7 insertions, 1 deletions
diff --git a/docs/library/sys.rst b/docs/library/sys.rst
index f5951f8116..fa88a0401b 100644
--- a/docs/library/sys.rst
+++ b/docs/library/sys.rst
@@ -17,6 +17,10 @@ Functions
Print exception with a traceback to a file-like object ``file`` (or
``sys.stdout`` by default).
+ .. admonition:: Difference to CPython
+
+ This function appears in the ``traceback`` module in CPython.
+
Constants
---------
@@ -34,7 +38,9 @@ Constants
.. data:: platform
- the platform that Micro Python is running on
+ The platform that Micro Python is running on. This is "pyboard" on the
+ pyboard and provides a robust way of determining if a script is running
+ on the pyboard or not.
.. data:: stderr