diff --git a/sim_imd.c b/sim_imd.c
index b5943ac0..bb3f00d5 100644
--- a/sim_imd.c
+++ b/sim_imd.c
@@ -16,22 +16,21 @@
  *                                                                       *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       *
  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    *
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND                 *
- * NONINFRINGEMENT. IN NO EVENT SHALL HOWARD M. HARTE BE LIABLE FOR ANY  *
- * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  *
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     *
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-            *
+ * INFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE   *
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN       *
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN     *
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE      *
+ * SOFTWARE.                                                             *
  *                                                                       *
- * Except as contained in this notice, the name of Howard M. Harte shall *
+ * Except as contained in this notice, the names of The Authors shall    *
  * not be used in advertising or otherwise to promote the sale, use or   *
  * other dealings in this Software without prior written authorization   *
- * Howard M. Harte.                                                      *
- *                                                                       *
- * SIMH Interface based on altairz80_hdsk.c, by Peter Schorn.            *
+ * from the Authors.                                                     *
  *                                                                       *
  * Module Description:                                                   *
- *     ImageDisk (IMD) Disk Image File access module for SIMH.           *
- *     see: http://www.classiccmp.org/dunfield/img/index.htm             *
+ *     ImageDisk Disk Image File access module for SIMH, definitions.    *
+ *     See: http://dunfield.classiccmp.org/img/index.htm                 *
  *     for details on the ImageDisk format and other utilities.          *
  *                                                                       *
  *************************************************************************/
diff --git a/sim_imd.h b/sim_imd.h
index 0b311bfc..88a51831 100644
--- a/sim_imd.h
+++ b/sim_imd.h
@@ -1,6 +1,6 @@
 /*************************************************************************
  *                                                                       *
- * Copyright (c) 2007-2020 Howard M. Harte.                              *
+ * Copyright (c) 2007-2022 Howard M. Harte.                              *
  * https://github.com/hharte                                             *
  *                                                                       *
  * Permission is hereby granted, free of charge, to any person obtaining *
@@ -16,22 +16,21 @@
  *                                                                       *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       *
  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    *
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND                 *
- * NONINFRINGEMENT. IN NO EVENT SHALL HOWARD M. HARTE BE LIABLE FOR ANY  *
- * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  *
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     *
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-            *
+ * INFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE   *
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN       *
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN     *
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE      *
+ * SOFTWARE.                                                             *
  *                                                                       *
- * Except as contained in this notice, the name of Howard M. Harte shall *
+ * Except as contained in this notice, the names of The Authors shall    *
  * not be used in advertising or otherwise to promote the sale, use or   *
  * other dealings in this Software without prior written authorization   *
- * Howard M. Harte.                                                      *
- *                                                                       *
- * SIMH Interface based on altairz80_hdsk.c, by Peter Schorn.            *
+ * from the Authors.                                                     *
  *                                                                       *
  * Module Description:                                                   *
  *     ImageDisk Disk Image File access module for SIMH, definitions.    *
- *     See: http://www.classiccmp.org/dunfield/img/index.htm             *
+ *     See: http://dunfield.classiccmp.org/img/index.htm                 *
  *     for details on the ImageDisk format and other utilities.          *
  *                                                                       *
  *************************************************************************/