TracerProvider(ABC) doc string correction (open-telemetry#4894)

* Minimal doc string change

* Fixed same docstring mistake in MeterProvider.get_meter

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Co-authored-by: Riccardo Magliocchetti <riccardo.magliocchetti@gmail.com>

Author: 2 people

opentelemetry-api/src/opentelemetry/metrics/_internal/__init__.py

@@ -118,7 +118,7 @@ def get_meter(
 
         Args:
             name: The name of the instrumenting module.
-                ``__name__`` may not be used as this can result in
+                ``__name__`` should be avoided as this can result in
                 different meter names if the meters are in different files.
                 It is better to use a fixed string that can be imported where
                 needed and used consistently as the name of the meter.

opentelemetry-api/src/opentelemetry/trace/__init__.py

@@ -208,7 +208,7 @@ def get_tracer(
         Args:
             instrumenting_module_name: The uniquely identifiable name for instrumentation
                 scope, such as instrumentation library, package, module or class name.
-                ``__name__`` may not be used as this can result in
+                ``__name__`` should be avoided as this can result in
                 different tracer names if the tracers are in different files.
                 It is better to use a fixed string that can be imported where
                 needed and used consistently as the name of the tracer.