Fixes linter warnings

plugins/drng/drng.go

@@ -49,6 +49,7 @@ func configureDRNG() *drng.DRNG {
 	return drng.New(state.SetCommittee(committeeConf))
 }
 
+// Instance returns the DRNG instance.
 func Instance() *drng.DRNG {
 	once.Do(func() { instance = configureDRNG() })
 	return instance

plugins/drng/parameters.go

@@ -5,10 +5,14 @@ import (
 )
 
 const (
-	CfgDRNGInstanceID        = "drng.instanceId"
-	CfgDRNGThreshold         = "drng.threshold"
+	// CfgDRNGInstanceID defines the config flag of the DRNG instanceID.
+	CfgDRNGInstanceID = "drng.instanceId"
+	// CfgDRNGThreshold defines the config flag of the DRNG threshold.
+	CfgDRNGThreshold = "drng.threshold"
+	// CfgDRNGDistributedPubKey defines the config flag of the DRNG distributed Public Key.
 	CfgDRNGDistributedPubKey = "drng.distributedPubKey"
-	CfgDRNGCommitteeMembers  = "drng.committeeMembers"
+	// CfgDRNGCommitteeMembers defines the config flag of the DRNG committee members identities.
+	CfgDRNGCommitteeMembers = "drng.committeeMembers"
 )
 
 func init() {