minor changes

modules/chapter1/pages/section2.adoc

@@ -98,11 +98,12 @@ image::rhods_verify_pods.png[width=800]
 
 You may need to install other operators depending on the components and features of Openshift Data Science you want to use:
 
-* Red{nbsp}Hat Openshift Pipelines operator
-* NVIDIA GPU Operator
-* Node Feature Discovery Operator
+* https://www.redhat.com/en/technologies/cloud-computing/openshift/pipelines[Red{nbsp}Hat Openshift Pipelines Operator]
+* https://docs.nvidia.com/datacenter/cloud-native/gpu-operator/latest/index.html[NVIDIA GPU Operator]
+* https://docs.openshift.com/container-platform/4.13/hardware_enablement/psap-node-feature-discovery-operator.html[Node Feature Discovery Operator]
 
-The following demo shows installation of the *Red{nbsp}Hat Openshift Pipelines* operator. Installation of the two other operators is very similar.
+
+The following demonstration shows the installation of the https://www.redhat.com/en/technologies/cloud-computing/openshift/pipelines[Red{nbsp}Hat Openshift Pipelines Operator]. Installation of the two other operators is very similar.
 
 === Demo: Installation of the *Red{nbsp}Hat Openshift Pipelines* operator
 
@@ -116,7 +117,7 @@ image::pipeline_search.png[width=800]
 image::pipeline_install1.png[width=800]
 
 
-4. In the installation view some installation parameters can be tuned. Administrator can set the *Update{nbsp}channel* parameter to a specific version and the *Update{nbsp}approval* parameter to either *Automatic* or *Manual*. The *Installation{nbsp}mode* and the *Installed{nbsp}namespace* parameters are fixed.
+4. In the installation view choose the *Update{nbsp}channel* and the *Update{nbsp}approval* parameters. You can accept the default values. The *Installation{nbsp}mode* and the *Installed{nbsp}namespace* parameters are fixed.
 +
 image::pipeline_install2.png[width=800]