Update: Allocation Overflow Documentation (#3368)

* Update: Allocation Overflow Documentation

* updated fleet document

* \n added

* small nit

examples/fleet.yaml

@@ -52,8 +52,8 @@ spec:
       maxUnavailable: 25%
   # [Stage:Alpha]
   # [FeatureFlag:FleetAllocationOverflow]
-  # Labels and/or Annotations to apply to overflowing GameServers when the number of Allocated GameServers is more
-  # than the desired replicas on the underlying `GameServerSet`
+  # Labels and/or Annotations to apply to overflowing GameServers when the number of Allocated GameServers exceeds
+  # the desired replicas in the underlying `GameServerSet`
   # Commented out since Alpha, and disabled by default
   # allocationOverflow:
   #   labels:

site/content/en/docs/Guides/fleet-updates.md

@@ -147,6 +147,8 @@ This provides two useful capabilities:
 2. This can also be used to proactively update `GameServer` labels, to effect change in allocation strategy - such as 
    preferring the newer `GameServers` when allocating, but falling back to the older version if there aren't enough 
    of the new ones yet spun up.
+
+The labels and/or annotations are applied to `GameServers` in a `Fleet` in the order designated by their configured [Fleet scheduling]({{< ref "/docs/Advanced/scheduling-and-autoscaling#fleet-scheduling">}}).
 
 Example yaml configuration:
 

site/content/en/docs/Reference/fleet.md

@@ -109,10 +109,13 @@ The `spec` field is the actual `Fleet` specification and it is composed as follo
     - `maxSurge` is the amount to increment the new GameServers by. Defaults to 25%
     - `maxUnavailable` is the amount to decrements GameServers by. Defaults to 25%
 - `allocationOverflow` (Alpha, requires `FleetAllocationOverflow` flag) The labels and/or Annotations to apply to 
-  GameServers when the number of Allocated GameServers drops below the desired replicas on the underlying 
+  GameServers when the number of Allocated GameServers exceeds the desired replicas in the underlying 
   `GameServerSet`.
   - `labels` the map of labels to be applied
   - `annotations` the map of annotations to be applied
+  - `Fleet's Scheduling Strategy`: The GameServers associated with the GameServerSet are sorted based on either `Packed` or `Distributed` strategy.
+      - `Packed`: Agones maximizes resource utilization by trying to populate nodes that are already in use before allocating GameServers to other nodes.
+      - `Distributed`: Agones employs this strategy to spread out GameServer allocations, ensuring an even distribution of GameServers across the available nodes.
 - `template` a full `GameServer` configuration template.
    See the [GameServer]({{< relref "gameserver.md" >}}) reference for all available fields.