Update README.md

Updated a few reported broken links, and fixed grammar issues.

Signed-off-by: Paulo Vital <[email protected]>

Author: pvital

README.md

@@ -4,24 +4,22 @@
 
 # Instana
 
-The `instana` Python package collects key metrics and distributed traces for [Instana](https://www.instana.com/).
+The `instana` Python package collects key metrics and distributed traces for [Instana].
 
 This package supports Python 3.7 or greater.
 
-Any and all feedback is welcome.  Happy Python visibility.
+Any feedback is welcome.  Happy Python visibility.
 
 [![CircleCI](https://circleci.com/gh/instana/python-sensor/tree/master.svg?style=svg)](https://circleci.com/gh/instana/python-sensor/tree/master)
 [![OpenTracing Badge](https://img.shields.io/badge/OpenTracing-enabled-blue.svg)](http://opentracing.io)
 
 ## Installation
 
-None
-
-_Instana remotely instruments your Python web servers automatically via Instana [AutoTrace™️](https://www.instana.com/supported-technologies/instana-autotrace/).  To configure which Python processes this applies to, see the [Configuration page](https://docs.instana.io/ecosystem/python/configuration/#general)._
+Instana remotely instruments your Python web servers automatically via [Instana AutoTrace™️]. To configure which Python processes this applies to, see the [configuration page].
 
 ##  Manual Installation
 
-If you wish to manually instrument your applications you can install the package with the following into the virtualenv, pipenv or container ([hosted on pypi](https://pypi.python.org/pypi/instana)):
+If you wish to instrument your applications manually, you can install the package with the following into the `virtualenv`, `pipenv`, or container (hosted on [PyPI]):
 
     pip install instana
 
@@ -35,24 +33,36 @@ The Instana package can then be activated _without any code changes required_ by
 
     export AUTOWRAPT_BOOTSTRAP=instana
 
-This will cause the Instana Python package to automatically instrument your Python application.  Once it finds the Instana host agent, it will begin to report Python metrics and distributed traces.
+This will cause the Instana Python package to instrument your Python application automatically. Once it finds the Instana host agent, it will report Python metrics and distributed traces.
 
 ### Activating via Import
 
-Alternatively, if you prefer the really manual method, simply import the `instana` package inside of your Python application:
+Alternatively, if you prefer the manual method, import the `instana` package inside of your Python application:
 
     import instana
 
-See also our detailed [Installation document](https://www.instana.com/docs/ecosystem/python/#installing) for additional information covering Django, Flask, End-user Monitoring (EUM) and more.
+See also our detailed [installation document] for additional information covering Django, Flask, End-user Monitoring (EUM), and more.
 
 ## Documentation
 
-You can find more documentation covering supported components and minimum versions in the Instana [documentation portal](https://docs.instana.io/ecosystem/python/).
+You can find more documentation covering supported components and minimum versions in the Instana [documentation portal].
 
 ## Contributing
 
 Bug reports and pull requests are welcome on GitHub at https://github.com/instana/python-sensor.
 
 ## More
 
-Want to instrument other languages?  See our [Node.js](https://github.com/instana/nodejs), [Go](https://github.com/instana/golang-sensor), [Ruby](https://github.com/instana/ruby-sensor) instrumentation or [many other supported technologies](https://www.instana.com/supported-technologies/).
+Want to instrument other languages?  See our [Node.js], [Go], [Ruby] instrumentation or many other [supported technologies].
+
+<!-- Reference links -->
+[Instana]: https://www.instana.com/ "IBM Instana Observability"
+[Instana AutoTrace™️]: https://www.instana.com/supported-technologies/instana-autotrace/ "Instana AutoTrace"
+[configuration page]: https://www.ibm.com/docs/en/instana-observability/current?topic=package-python-configuration-configuring-instana#general "Instana Python package configuration"
+[PyPI]: https://pypi.python.org/pypi/instana "Instana package at PyPI"
+[installation document]: https://www.ibm.com/docs/en/instana-observability/current?topic=technologies-monitoring-python-instana-python-package#installing "Instana Python package installation"
+[documentation portal]: https://www.ibm.com/docs/en/instana-observability/current?topic=technologies-monitoring-python-instana-python-package "Instana Python package documentation"
+[Node.js]: https://github.com/instana/nodejs "Instana Node.JS Tracer"
+[Go]: https://github.com/instana/golang-sensor "Instana Go Tracer"
+[Ruby]: https://github.com/instana/ruby-sensor "Instana Ruby Tracer"
+[supported technologies]: https://www.instana.com/supported-technologies/ "Instana supported technologies"