Update README.md

Minor copy edits

Author: agentmorris

README.md

@@ -1,6 +1,6 @@
 # Microsoft Planetary Computer - Issues and Discussions
 
-This repository hosts issues and discussions that users can use to provide feedback, suggestion, and get help in using the Planetary Computer.
+This repository hosts issues and discussions that users can use to provide feedback and get help in using the Planetary Computer.
 
 If you are experiencing issues with using the Planetary Computer, please file an [issue](https://github.com/microsoft/PlanetaryComputer/issues) on this repository. If you're looking for community feedback on an idea or suggestion, consider starting a [discussion](https://github.com/microsoft/PlanetaryComputer/discussions) instead.
 
@@ -14,10 +14,10 @@ The main portal for the Planetary Computer. There you can learn more about the p
 
 ### Open source repositories
 
-The Planetary Computer has open sourced a number of it's components, which you will find below. These projects rely on many others in the open source ecosystem as well, and you can find out more by exploring the various codebases.
+The Planetary Computer has open sourced a number of its components, which you will find below. These projects rely on many others in the open source ecosystem as well, and you can find out more by exploring the various codebases.
 
 - [Planetary Computer APIs](https://github.com/microsoft/planetary-computer-apis)
 - [Planetary Computer Containers](https://github.com/microsoft/planetary-computer-containers)
 - [Planetary Computer Hub](https://github.com/microsoft/planetary-computer-hub)
 - [Planetary Computer Examples](https://github.com/microsoft/PlanetaryComputerExamples)
-- [Planetary Computer python package](https://github.com/microsoft/planetary-computer-sdk-for-python)
+- [Planetary Computer Python package](https://github.com/microsoft/planetary-computer-sdk-for-python)