chore: fix readme typo

README.md

@@ -53,7 +53,7 @@ Want to build a search system backed by deep learning? You come to the right pla
 
 **🚀 High Performant & State-of-the-Art** - Jina aims at AI-in-production. You can easily scale out your VideoBERT, Xception, your word tokenizer, image segmenter and database to handle billion-level data. Features such as replicas and shards come off-the-shelf.
 
-**🐣 System Engineering Made Easy** - Jina offers an one-stop solution that frees you from handcrafting and gluing packages, libraries and database. With the most intuitive API and [dashboard UI](https://github.com/jina-ai/dashboard), building a cloud-native search system is just a minute thing.
+**🐣 System Engineering Made Easy** - Jina offers a one-stop solution that frees you from handcrafting and gluing packages, libraries and databases. With the most intuitive API and [dashboard UI](https://github.com/jina-ai/dashboard), building a cloud-native search system is just a minute thing.
 
 **🧩 Powerful Extensions, Simple Integration** - New AI model for Jina? Simply write a Python script or build a Docker image. Plugging in new algorithms has never been that easy, as it should be. Check out [Jina Hub (beta)](https://github.com/jina-ai/jina-hub) and find more extensions on different use-cases contributed by the community.
 
@@ -249,15 +249,15 @@ Learn how to use Jina to extract feature vector using any deep learning represen
 <tr>
 <td>
 <h4><a href="https://github.com/jina-ai/examples/tree/master/southpark-search">Build a NLP Semantic Search System</a></h4>
-Learn how build a script search system for South Park and practice your knowledge on Flows and Pods
+Learn how to build a script search system for South Park and practice your knowledge on Flows and Pods
 </td>
 <td><h3>🐣</h3></td>
 </tr>
 
 <tr>
 <td>
 <h4><a href="https://github.com/jina-ai/examples/tree/master/flower-search">Build a Flower Image Search System</a></h4>
-Learn how to build an image search system and how to define you own executors and run them in docker
+Learn how to build an image search system and define you own executors and run them in docker
 </td>
 <td><h3>🐣</h3></td>
 </tr>
@@ -299,7 +299,7 @@ Learn how Jina solves complex dependencies easily with Docker container
 <tr>
 <td>
 <h4><a href="https://github.com/jina-ai/jina-hub#publish-your-pod-image-to-jina-hub">Share Your Extension with the World</a></h4>
-Learn to use Jina Hub and share your extension with engineers around the globe
+Learn to use Jina Hub and share your extensions with engineers around the globe
 </td>
 <td><h3>🚀</h3></td>
 </tr>
@@ -322,15 +322,15 @@ The best way to learn Jina in depth is to read our documentation. Documentation
 - [Environment variables used in Jina](https://docs.jina.ai/chapters/envs.html)
 - ... [and more](https://docs.jina.ai/index.html)
 
-Are you a Doc-star? Then join us! We welcome all kinds of improvements on the documentation. 
+Are you a Doc-star? If positive, join us! We welcome all kinds of improvements on the documentation. 
 
 Documentation of the older version [is archived in here](https://github.com/jina-ai/docs/releases).
 
 ## Contributing
 
-We welcome all kinds of contributions from the open-source community, individuals and partners. Without your active involvement, Jina can't be successful.
+We welcome all kinds of contributions from the open-source community, individuals and partners. Without your active involvement, Jina won't be successful.
 
-The following resources help you to make a good first contribution:
+The following resources will help you make a good first contribution:
 
 - [Contributing guidelines](CONTRIBUTING.md)
 - [Release cycles and development stages](RELEASE.md)
@@ -339,16 +339,15 @@ The following resources help you to make a good first contribution:
 
 - [Slack channel](https://join.slack.com/t/jina-ai/shared_invite/zt-dkl7x8p0-rVCv~3Fdc3~Dpwx7T7XG8w) - a communication platform for developers to discuss Jina
 - [Community newsletter](mailto:[email protected]) - subscribe to the latest update, release and event news of Jina
-- [LinkedIn](https://www.linkedin.com/company/jinaai/) - get to know Jina AI as a company
+- [LinkedIn](https://www.linkedin.com/company/jinaai/) - get to know Jina AI as a company and find job opportunities
 - ![Twitter Follow](https://img.shields.io/twitter/follow/JinaAI_?label=Follow%20%40JinaAI_&style=social) - follow us and interact with us using hashtag `#JinaSearch`  
-- [Join Us](mailto:[email protected]) - want to work full-time with us at Jina? We are hiring!
 - [Company](https://jina.ai) - know more about our company, we are fully committed to open-source!
 
 ## Roadmap
 
 The [GitHub milestones](https://github.com/jina-ai/jina/milestones) lay out the path to the future improvements.
 
-We are looking for partnerships to build a Open Governance model (e.g. Technical Steering Committee) around Jina, which enables a healthy open source ecosystem and developer friendly culture. If you are interested in participating, feel free to contact us at [[email protected]](mailto:[email protected])
+We are looking for partnerships to build a Open Governance model (e.g. Technical Steering Committee) around Jina, which enables a healthy open source ecosystem and developer-friendly culture. If you are interested in participating, feel free to contact us at [[email protected]](mailto:[email protected])
 
 
 ## License