Addressed review comments

Author: Shubha Narayanan

modules/cert-manager-explanation-of-certmanager-cr-fields.adoc

@@ -31,6 +31,18 @@ The following table lists the common fields that you can configure in the `spec.
 |`dict`
 |You can override the supported environment variables for the cert-manager controller. This field is only supported for the cert-manager controller component.
 
+|`overrideReplicas`
+|`int`
+|You can configure the replicas for the cert-manager components. The default value is `1`. For production environments, the following replica counts are recommended:
+
+* controller: 2
+
+* cainjector: 2
+
+* webhook: At least 3.
+
+For more information, see link:https://cert-manager.io/docs/installation/best-practice/#high-availability[High Availability].
+
 |`overrideResources`
 |`object`
 |You can configure the CPU and memory limits for the cert-manager components.

security/cert_manager_operator/cert-manager-customizing-api-fields.adoc

@@ -42,6 +42,8 @@ spec:
           operator: "Equal"
           value: "value1"
           effect: "NoSchedule"
+    overrideReplicas: 2
+#...
 
   webhookConfig:
     overrideArgs:
@@ -50,13 +52,17 @@ spec:
 #...
     overrideScheduling:
 #...
+    overrideReplicas:
+#...
 
   cainjectorConfig:
     overrideArgs:
 #...
     overrideResources:
 #...
     overrideScheduling:
+#...
+    overrideReplicas:
 #...
 ----