[enterprise-4.2] Fix style for options that are not compulsory

modules/migration-running-migration-plan-cam.adoc

@@ -29,7 +29,7 @@ You can run *Stage* multiple times to reduce the actual migration time.
 +
 *Migrate* stops the application workload on the source cluster and recreates its resources on the target cluster.
 
-. Optionally, in the *Migrate* window, you can select *Do not stop applications on the source cluster during migration*.
+. Optional: In the *Migrate* window, you can select *Do not stop applications on the source cluster during migration*.
 . Click *Migrate*.
 . When the migration is complete, verify that the application migrated successfully in the {product-title} 4.2 web console:
 

modules/nw-egressnetworkpolicy-edit.adoc

@@ -24,7 +24,7 @@ To edit an existing egress network policy object for a project, complete the fol
 $ oc get -n <project> egressnetworkpolicy
 ----
 
-. Optionally, if you did not save a copy of the EgressNetworkPolicy object when you created the egress network firewall, enter the following command to create a copy.
+. Optional: If you did not save a copy of the EgressNetworkPolicy object when you created the egress network firewall, enter the following command to create a copy.
 +
 ----
 $ oc get -n <project> \ <1>

modules/odc-creating-projects-using-developer-perspective.adoc

@@ -24,7 +24,7 @@ You can create a project using the *Developer* perspective, as follows:
 image::odc_create_project.png[Create Project]
 
 . In the *Create Project* dialog box, enter a unique name for the *Name* field. For example, enter `myproject` as the name of the project in the *Name* field.
-. Optionally, add the *Display Name* and *Description* details for the Project.
+. Optional: Add the *Display Name* and *Description* details for the Project.
 . Click *Create*.
 
 Your project is now created and you can add applications and other workloads in to this project.

modules/odc-importing-codebase-from-git-to-create-application.adoc

@@ -16,7 +16,7 @@ Create, build, and deploy an application on {product-title} using an existing co
 image::odc_import_from_git.png[Import from Git]
 
 . In the *Git* section, enter the Git repository URL for the codebase you want to use to create an application. For example, enter the URL of this sample nodejs application `\https://github.com/sclorg/nodejs-ex`.
-. Optionally, you can click *Show Advanced Git Options*  to add details such as:
+. Optional: You can click *Show Advanced Git Options* to add details such as:
 
 * *Git Reference* to point to code in a specific branch, tag, or commit to be used to build the application.
 * *Context Dir* to specify the subdirectory for the application source code you want to use to build the application.
@@ -40,7 +40,7 @@ The *Serverless* section is displayed in the *Import from git* form only if the
 ====
 
 . In the *Advanced Options* section, the *Create a route to the application* is selected by default so that you can access your application using a publicly available URL. You can clear the check box if you do not want to expose your application on a public route.
-. Optionally, you can use the following advanced options to further customize your application:
+. Optional: You can use the following advanced options to further customize your application:
 
 Routing::
 Click the *Routing* link to: