Use right case
Fixes
@@ -43,7 +43,7 @@ freely because instantiating it returns always the same object.
For example, if the environment variable
``OTEL_PYTHON_METER_PROVIDER`` value is ``my_meter_provider``, then
-``Configuration().meter_provider == "my_meter_provider"`` would be ``True``.
+``Configuration().METER_PROVIDER == "my_meter_provider"`` would be ``True``.
Non defined attributes will always return ``None``. This is intended to make it
easier to use the ``Configuration`` object in actual code, because it won't be
