Addressed changes from review and updated CHANGELOG

Author: shovnik

exporter/opentelemetry-exporter-prometheus-remote-write/README.rst

@@ -4,8 +4,8 @@ OpenTelemetry Prometheus Remote Write Exporter
 This library allows exporting metric data to `Prometheus Remote Write Integrated Backends
 <https://prometheus.io/docs/operating/integrations/>`_. Latest `types.proto
 <https://github.com/prometheus/prometheus/blob/master/prompb/types.proto>` and `remote.proto
-<https://github.com/prometheus/prometheus/blob/master/prompb/remote.proto>` Protocol Buffers 
-used to create WriteRequest objects were taken from Prometheus repository. Development is 
+<https://github.com/prometheus/prometheus/blob/master/prompb/remote.proto>` Protocol Buffers
+used to create WriteRequest objects were taken from Prometheus repository. Development is
 currently in progress.
 
 Installation