address comment

Signed-off-by: Arvind Thirumurugan <arvindth@microsoft.com>

Author: Arvind Thirumurugan

apis/placement/v1beta1/stageupdate_types.go

@@ -278,7 +278,7 @@ type StageConfig struct {
 
 	// MaxConcurrency specifies the maximum number of clusters that can be updated concurrently within this stage.
 	// Value can be an absolute number (ex: 5) or a percentage of the total clusters in the stage (ex: 50%).
-	// Absolute number is calculated from percentage by rounding up.
+	// Fractional results are rounded down. A minimum of 1 update is enforced.
 	// If not specified, all clusters in the stage are updated sequentially (effectively maxConcurrency = 1).
 	// Defaults to 1.
 	// +kubebuilder:default=1