#243: changed content per review feedback on installing page

docs/run-platform-server/installing.mdx

@@ -17,15 +17,13 @@ To install Horizon in production or non-development environments, we recommend t
 - Non-Orchestrated: if the target deployment environment does not include a container orchestrator such as Kubernetes, then this means you intend to run the Horizon release image from [dockerhub.com/stellar/stellar-horizon](https://hub.docker.com/r/stellar/stellar-horizon) as a container directly with Docker daemon on host. Choose the tag of the Horizon image for the specific release version and then pull the image using `docker pull stellar/stellar-horizon:<tag_version>` to get it locally onto host.
 - Orchestrated: when the target environment has container orchestration, such as Kubernetes cluster, we recommend using the [Horizon Helm Chart](https://github.com/stellar/helm-charts/tree/main/charts/horizon) to manage the installation and deployment lifecycle of the Horizon image as container(s) on the cluster.
 
-For installation in development environments, refer to the [Horizon README](https://github.com/stellar/go/blob/master/services/horizon/README.md#try-it-out) from the source code repo for options to use in development context.
+To install Horizon in development environments, refer to the [Horizon README](https://github.com/stellar/go/blob/master/services/horizon/README.md#try-it-out) from the source code repo for options available.
 
-### Notes
+### Notes on Installation
 
 #### Package Manager
 
-SDF publishes new releases to its custom Ubuntu repositories. Follow [this guide](https://github.com/stellar/packages/blob/master/docs/adding-the-sdf-stable-repository-to-your-system.md#adding-the-sdf-stable-repository-to-your-system) to add the stable SDF repository to your host system. If you are interested in installing release candidate versions of software that have yet to reach stable, refer to [using 'testing' SDF repository](https://github.com/stellar/packages/blob/master/docs/adding-the-sdf-stable-repository-to-your-system.md#adding-the-bleeding-edge-testing-repository). Lastly, [install package](https://github.com/stellar/packages/blob/master/docs/installing-individual-packages.md#installing-individual-packages) outlines the various commands that these packages make available.
-
-https://github.com/stellar/packages/blob/master/docs/adding-the-sdf-stable-repository-to-your-system.md#adding-the-bleeding-edge-testing-repository
+SDF publishes new releases to its custom Ubuntu repositories. Follow [this guide](https://github.com/stellar/packages/blob/master/docs/adding-the-sdf-stable-repository-to-your-system.md#adding-the-sdf-stable-repository-to-your-system) to add the stable SDF repository to your host system. If you are interested in installing release candidate versions of software that have yet to reach stable, refer to [Adding the Bleeding Edge Testing Repository](https://github.com/stellar/packages/blob/master/docs/adding-the-sdf-stable-repository-to-your-system.md#adding-the-bleeding-edge-testing-repository). Lastly, [install package](https://github.com/stellar/packages/blob/master/docs/installing-individual-packages.md#installing-individual-packages) outlines the various commands that these packages make available.
 
 To proceed with installation:
 
@@ -42,7 +40,7 @@ sudo apt install stellar-horizon stellar-core
 
 Refer to the list of [Horizon releases](https://github.com/stellar/go/releases) and [Core releases](https://github.com/stellar/stellar-core/releases). Copy the binaries to host PATH.
 
-#### Verify Bare Metal Installations
+#### Verify Bare-Metal Installations
 
 Run `stellar-horizon --help` from a terminal. If the help for Horizon is displayed, your installation was successful.