Merge pull request #26595 from adellape/mirror_prune_sentence

Improve sentence & create substeps in pruning proc

Author: adellape

modules/olm-pruning-index-image.adoc

@@ -31,7 +31,7 @@ An index image, based on the Operator Bundle Format, is a containerized snapshot
 ifeval::["{context}" != "olm-managing-custom-catalogs"]
 When configuring Operator Lifecycle Manager (OLM) to use mirrored content on restricted network {product-title} clusters, use this pruning method if you want to only mirror a subset of Operators from the default catalogs.
 
-For the steps in this procedure, the target registry is an existing mirror registry that is accessible by both your cluster and a workstation with unrestricted network access. This example also shows mirroring the default `{catalog-name}` catalog, but the process is the same for all catalogs.
+For the steps in this procedure, the target registry is an existing mirror registry that is accessible by both your cluster and a workstation with unrestricted network access. This example also shows pruning the index image for the default `{catalog-name}` catalog, but the process is the same for all index images.
 endif::[]
 
 .Prerequisites
@@ -65,7 +65,9 @@ endif::[]
 $ podman login <target_registry>
 ----
 
-. Run the source index image that you want to prune in a container. For example:
+. Determine the list of packages you want to include in your pruned index.
+
+.. Run the source index image that you want to prune in a container. For example:
 +
 [source,terminal,subs="attributes+"]
 ----
@@ -83,14 +85,14 @@ Copying blob ae8a0c23f5b1 done
 INFO[0000] serving registry                              database=/database/index.db port=50051
 ----
 
-. In a separate terminal session, use the `grpcurl` command to get a list of the packages provided by the index:
+.. In a separate terminal session, use the `grpcurl` command to get a list of the packages provided by the index:
 +
 [source,terminal]
 ----
 $ grpcurl -plaintext localhost:50051 api.Registry/ListPackages > packages.out
 ----
 
-. Inspect the `packages.out` file and identify which package names from this list you want to keep in your pruned index. For example:
+.. Inspect the `packages.out` file and identify which package names from this list you want to keep in your pruned index. For example:
 +
 .Example snippets of packages list
 [source,text,subs="attributes+"]
@@ -111,7 +113,7 @@ $ grpcurl -plaintext localhost:50051 api.Registry/ListPackages > packages.out
 ...
 ----
 
-. In the terminal session where you executed the `podman run` command, press kbd:[Ctrl] and kbd:[C] to stop the container process.
+.. In the terminal session where you executed the `podman run` command, press kbd:[Ctrl] and kbd:[C] to stop the container process.
 
 . Run the following command to prune the source index of all but the specified packages:
 +