diff --git a/content/en/docs/help/building.md b/content/en/docs/help/building.md
index 9b0b502..7b89758 100644
--- a/content/en/docs/help/building.md
+++ b/content/en/docs/help/building.md
@@ -15,24 +15,19 @@ toc: true
 
 # Building the operator
 
-## General environment requirements
+## Prerequisites
 
-### A kubernetes cluster
+### Go
 
-Currently the operator is tested against kubernetes v1.25 and above.
-You can install a [Minikube](https://minikube.sigs.k8s.io/docs/) or a [CodeReady Containers(CRC)](https://developers.redhat.com/products/codeready-containers/overview) to deploy the operator.
+Download the Go version v1.20.13 from the [download page](https://go.dev/dl/) and install it following the [installation instructions](https://go.dev/doc/install).
 
-### Docker
-
-Current version being used is v23.0.3. Checkout [this page](https://docs.docker.com/get-docker/) for help on installing docker on your specific operating system.
+### Operator SDK
 
-### Go v1.19
+Install [Operator SDK](https://sdk.operatorframework.io/) version [v1.28.0](https://github.com/operator-framework/operator-sdk/releases/tag/v1.28.0) following the [installation instructions from a GitHub release](https://sdk.operatorframework.io/docs/installation/#install-from-github-release).
 
-Install Go version v1.19 following [this guide](https://go.dev/doc/install).
-
-### operator-sdk v1.28.0
+### Docker
 
-Install [operator-sdk](https://sdk.operatorframework.io/) following [this guide](https://sdk.operatorframework.io/docs/installation/).
+Install Docker following the [installation instructions](https://docs.docker.com/get-docker/).
 
 ## Get the code
 
@@ -86,4 +81,4 @@ or use the make target **docker-push**
 make OPERATOR_IMAGE_REPO=<your repo> OPERATOR_VERSION=<tag> docker-push
 ```
 
-Now follow the [quickstart]({{< ref "../getting-started/quick-start.md" >}}) to deploy the operator.
+Now follow the [quickstart](../getting-started/quick-start.md) to deploy the operator.
diff --git a/content/en/docs/help/operator.md b/content/en/docs/help/operator.md
index 6afac40..2b6292e 100644
--- a/content/en/docs/help/operator.md
+++ b/content/en/docs/help/operator.md
@@ -1263,7 +1263,7 @@ Note: this feature currently is experimental. Feedback is welcomed.
 
 The operator provides options in the custom resource that utilizes cert-manager x509 certificates to configure SSL/TLS transports for brokers. It also works with [trust-manager](https://github.com/cert-manager/trust-manager) to distribute trust CA bundles.
 
-Before configuring a broker you need to have the certificates and bundles ready. In the following example a self-signed isser is used as a root CA.
+Before configuring a broker you need to have the certificates and bundles ready. The bundle target secret key must end with `.pem`. In the following example a self-signed isser is used as a root CA.
 
 Step 1 - create the root self-signed issuer
 
@@ -1330,7 +1330,7 @@ spec:
     kind: ClusterIssuer
 ```
 
-Step 5 - create the ca bundle from the root CA using trust-manager
+Step 5 - create the ca bundle from the root CA using trust-manager and setting a target secret key that ends with `.pem`
 
 ```yaml
 apiVersion: trust.cert-manager.io/v1alpha1