diff --git a/lib/ac-api/src/main/java/org/applecommander/device/ProdosBlockToTrackSectorAdapterStrategy.java b/lib/ac-api/src/main/java/org/applecommander/device/ProdosBlockToTrackSectorAdapterStrategy.java
index 0ce0f724..bd60ef4a 100644
--- a/lib/ac-api/src/main/java/org/applecommander/device/ProdosBlockToTrackSectorAdapterStrategy.java
+++ b/lib/ac-api/src/main/java/org/applecommander/device/ProdosBlockToTrackSectorAdapterStrategy.java
@@ -1,3 +1,22 @@
+/*
+ * AppleCommander - An Apple ][ image utility.
+ * Copyright (C) 2025 by Robert Greene and others
+ * robgreene at users.sourceforge.net
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
 package org.applecommander.device;
 
 public class ProdosBlockToTrackSectorAdapterStrategy implements TrackSectorToBlockStrategy {