lnd: improve code comment

Author: ziggie1984

rpcserver.go

@@ -1870,11 +1870,13 @@ func (r *rpcServer) DisconnectPeer(ctx context.Context,
 
 	// In order to avoid erroneously disconnecting from a peer that we have
 	// an active channel with, if we have any channels active with this
-	// peer, then we'll disallow disconnecting from them.
+	// peer, then we'll disallow disconnecting from them in certain
+	// situations.
 	if len(nodeChannels) != 0 {
-		// If we are not in a dev environment or the configed dev value
-		// `unsafedisconnect` is false, we return an error since there
-		// are active channels.
+		// If the configured dev value `unsafedisconnect` is false, we
+		// return an error since there are active channels. For
+		// production environments, we allow disconnecting from a peer
+		// even if there are channels active with them.
 		if !r.cfg.Dev.GetUnsafeDisconnect() {
 			return nil, fmt.Errorf("cannot disconnect from "+
 				"peer(%x), still has %d active channels",