adding ad admonition and some typos

Author: Amrita

modules/nodes-nodes-garbage-collection-configuring.adoc

@@ -16,11 +16,11 @@ As an administrator, you can configure how {product-title} performs garbage coll
 
 You can configure any combination of the following:
 
-* soft eviction for containers
-* hard eviction for containers
-* eviction for images
+* Soft eviction for containers
+* Hard eviction for containers
+* Eviction for images
 
-For soft container eviction you can also configure a grace period before eviction.
+For the soft container eviction you can also configure a grace period before the eviction.
 
 .Prerequisites
 
@@ -76,6 +76,11 @@ metadata:
 
 . Create a custom resource (CR) for your configuration change.
 +
+[IMPORTANT]
+====
+If there is one file system, or if `/var/lib/kubelet` and `/var/lib/containers/` are in the same file system, the settings with the highest values trigger evictions, as those are met first. The file system triggers the eviction.
+====
++
 .Sample configuration for a container garbage collection CR:
 [source,yaml]
 ----
@@ -116,7 +121,7 @@ spec:
 <3> Type of eviction: `EvictionSoft` and `EvictionHard`.
 <4> Eviction thresholds based on a specific eviction trigger signal.
 <5> Grace periods for the soft eviction. This parameter does not apply to `eviction-hard`.
-<6> The duration to wait before transitioning out of an eviction pressure condition
+<6> The duration to wait before transitioning out of an eviction pressure condition.
 <7> The minimum age for an unused image before the image is removed by garbage collection.
 <8> The percent of disk usage (expressed as an integer) which triggers image garbage collection.
 <9> The percent of disk usage (expressed as an integer) to which image garbage collection attempts to free.