diff --git a/server/pruning.go b/server/pruning.go
index 3cfa8f05d1..07730f36ad 100644
--- a/server/pruning.go
+++ b/server/pruning.go
@@ -5,7 +5,9 @@ import (
 	"github.com/spf13/viper"
 )
 
-//GetPruningOptionsFromFlags parses start command flags and returns the correct PruningOptions.
+// GetPruningOptionsFromFlags parses start command flags and returns the correct PruningOptions.
+// flagPruning prevails over flagPruningKeepEvery and flagPruningSnapshotEvery.
+// Default option is PruneSyncable.
 func GetPruningOptionsFromFlags() store.PruningOptions {
 	if viper.IsSet(flagPruning) {
 		return store.NewPruningOptionsFromString(viper.GetString(flagPruning))