fixup! readme: write up a summary version

README.md

@@ -6,9 +6,9 @@
 - `TestRun` CRD
 - `PrivateLoadZone` CRD
 
-`TestRun` CRD is a representation of a single k6 test, executed once. `TestRun` has a large support for configuration of different options that allows you to adapt to different Kubernetes setups. Full list of options can be found in the [definition itself](https://github.com/grafana/k6-operator/blob/main/config/crd/bases/k6.io_testruns.yaml).
+`TestRun` CRD is a representation of a single k6 test, executed once. `TestRun` has a large support for configuration of different options that allows you to adapt to different Kubernetes setups. Some frequently used options are described [here](TODO), and full list of options can be found in the [definition itself](https://github.com/grafana/k6-operator/blob/main/config/crd/bases/k6.io_testruns.yaml).
 
-`PrivateLoadZone` CRD is a representation of a [load zone](https://grafana.com/docs/grafana-cloud/testing/k6/author-run/use-load-zones/): a k6 term for a set of nodes within a cluster designated to execute k6 test runs. `PrivateLoadZone` is integrated with [Grafana Cloud k6](https://grafana.com/products/cloud/k6/) and requires a subscription. There is a guide describing [how to set up `PrivateLoadZone`](https://grafana.com/docs/grafana-cloud/testing/k6/author-run/set-up-private-load-zones/), while billing details can be found [here](TODO).
+`PrivateLoadZone` CRD is a representation of a [load zone](https://grafana.com/docs/grafana-cloud/testing/k6/author-run/use-load-zones/): a k6 term for a set of nodes within a cluster designated to execute k6 test runs. `PrivateLoadZone` is integrated with [Grafana Cloud k6](https://grafana.com/products/cloud/k6/) and requires a [Grafana Cloud account](https://grafana.com/auth/sign-up/create-user). There is a guide describing [how to set up `PrivateLoadZone`](https://grafana.com/docs/grafana-cloud/testing/k6/author-run/set-up-private-load-zones/), while billing details can be found [here](TODO).
 
 ## Documentation
 
@@ -26,15 +26,15 @@ Common samples are available in `config/samples` and `e2e/` of this repo, both f
 
 We are always interested in your feedback! If you encounter problems during the k6 Operator usage, check out the [troubleshooting guide](TODO). If there are questions about the k6 Operator usage, you can write them on [Grafana community forum](https://community.grafana.com/c/grafana-k6/k6-operator/73).
 
-For new feature requests and bug reports, consider opening an issue in this repository. First check the [existing issues](https://github.com/grafana/k6-operator/issues) in case a similar report already exists. If it does, add comment about your use case or upvote it.
+For new feature requests and bug reports, consider opening an issue in this repository. First check the [existing issues](https://github.com/grafana/k6-operator/issues) in case a similar report already exists. If it does, add a comment about your use case or upvote it.
 
 For bug reports, please use [this template](https://github.com/grafana/k6-operator/issues/new?assignees=&labels=bug&projects=&template=bug.yaml). If you think there is a missing feature, please use [this template](https://github.com/grafana/k6-operator/issues/new?assignees=&labels=enhancement&projects=&template=feat_req.yaml).
 
 ### Development
 
 <!-- TODO: pull out into contributing guide -->
 
-In general, it is preferable to work on open issue when submitting a PR. If such an issue does not exist, create it. An issue allows to validate the problem, gather additional feedback from community and to avoid doing unnecessary work.
+It is preferable to work on an open issue when submitting a PR. If such an issue does not exist, create it. An issue allows to validate the problem, gather additional feedback from community and to avoid doing unnecessary work.
 
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