diff --git a/modules/ca/src/template/top/caClientApp/caExample.c b/modules/ca/src/template/top/caClientApp/caExample.c
index 4a201dfbd..63afbe880 100644
--- a/modules/ca/src/template/top/caClientApp/caExample.c
+++ b/modules/ca/src/template/top/caClientApp/caExample.c
@@ -1,6 +1,6 @@
-// SPDX-FileCopyrightText: 1998 Argonne National Laboratory
-//
-// SPDX-License-Identifier: EPICS
+/* SPDX-FileCopyrightText: 1998 Argonne National Laboratory */
+
+/* SPDX-License-Identifier: EPICS */
 
 /*caExample.c*/
 #include <stddef.h>
diff --git a/modules/ca/src/template/top/caClientApp/caMonitor.c b/modules/ca/src/template/top/caClientApp/caMonitor.c
index 4c12f968a..8e19b99cb 100644
--- a/modules/ca/src/template/top/caClientApp/caMonitor.c
+++ b/modules/ca/src/template/top/caClientApp/caMonitor.c
@@ -1,6 +1,6 @@
-// SPDX-FileCopyrightText: 2000 Argonne National Laboratory
-//
-// SPDX-License-Identifier: EPICS
+/* SPDX-FileCopyrightText: 2000 Argonne National Laboratory */
+
+/* SPDX-License-Identifier: EPICS */
 
 /*caMonitor.c*/
 
diff --git a/modules/database/src/template/top/exampleApp/src/_APPNAME_Hello.c b/modules/database/src/template/top/exampleApp/src/_APPNAME_Hello.c
index 03627844f..270d62a1b 100644
--- a/modules/database/src/template/top/exampleApp/src/_APPNAME_Hello.c
+++ b/modules/database/src/template/top/exampleApp/src/_APPNAME_Hello.c
@@ -1,6 +1,6 @@
-// SPDX-FileCopyrightText: 2005 Argonne National Laboratory
-//
-// SPDX-License-Identifier: EPICS
+/* SPDX-FileCopyrightText: 2005 Argonne National Laboratory */
+
+/* SPDX-License-Identifier: EPICS */
 
 /* Example showing how to register a new command with iocsh */
 
diff --git a/modules/database/src/template/top/exampleApp/src/dbSubExample.c b/modules/database/src/template/top/exampleApp/src/dbSubExample.c
index 0b6c1ae85..8d0e454f9 100644
--- a/modules/database/src/template/top/exampleApp/src/dbSubExample.c
+++ b/modules/database/src/template/top/exampleApp/src/dbSubExample.c
@@ -1,6 +1,6 @@
-// SPDX-FileCopyrightText: 2002 Argonne National Laboratory
-//
-// SPDX-License-Identifier: EPICS
+/* SPDX-FileCopyrightText: 2002 Argonne National Laboratory */
+
+/* SPDX-License-Identifier: EPICS */
 
 #include <stdio.h>
 
diff --git a/modules/database/src/template/top/exampleApp/src/devXxxSoft.c b/modules/database/src/template/top/exampleApp/src/devXxxSoft.c
index 6ab77465f..b0348213e 100644
--- a/modules/database/src/template/top/exampleApp/src/devXxxSoft.c
+++ b/modules/database/src/template/top/exampleApp/src/devXxxSoft.c
@@ -1,6 +1,6 @@
-// SPDX-FileCopyrightText: 1998 Argonne National Laboratory
-//
-// SPDX-License-Identifier: EPICS
+/* SPDX-FileCopyrightText: 1998 Argonne National Laboratory */
+
+/* SPDX-License-Identifier: EPICS */
 
 /* devXxxSoft.c */
 /* Example device support module */
diff --git a/modules/database/src/template/top/exampleApp/src/dev_APPNAME_Version.c b/modules/database/src/template/top/exampleApp/src/dev_APPNAME_Version.c
index ba860c0dc..b16c3c1d4 100644
--- a/modules/database/src/template/top/exampleApp/src/dev_APPNAME_Version.c
+++ b/modules/database/src/template/top/exampleApp/src/dev_APPNAME_Version.c
@@ -1,6 +1,6 @@
-// SPDX-FileCopyrightText: 2015 Argonne National Laboratory
-//
-// SPDX-License-Identifier: EPICS
+/* SPDX-FileCopyrightText: 2015 Argonne National Laboratory */
+
+/* SPDX-License-Identifier: EPICS */
 
 /* dev_APPNAME_Version.c */
 /* Example device support for the lsi (long string input) record
diff --git a/modules/database/src/template/top/exampleApp/src/initTrace.c b/modules/database/src/template/top/exampleApp/src/initTrace.c
index a52d59647..c9f371377 100644
--- a/modules/database/src/template/top/exampleApp/src/initTrace.c
+++ b/modules/database/src/template/top/exampleApp/src/initTrace.c
@@ -1,6 +1,6 @@
-// SPDX-FileCopyrightText: 2008 Argonne National Laboratory
-//
-// SPDX-License-Identifier: EPICS
+/* SPDX-FileCopyrightText: 2008 Argonne National Laboratory */
+
+/* SPDX-License-Identifier: EPICS */
 
 /* initTrace.c */
 
diff --git a/modules/database/src/template/top/exampleApp/src/xxxRecord.c b/modules/database/src/template/top/exampleApp/src/xxxRecord.c
index 892a98092..bf8c79982 100644
--- a/modules/database/src/template/top/exampleApp/src/xxxRecord.c
+++ b/modules/database/src/template/top/exampleApp/src/xxxRecord.c
@@ -1,6 +1,6 @@
-// SPDX-FileCopyrightText: 1998 Argonne National Laboratory
-//
-// SPDX-License-Identifier: EPICS
+/* SPDX-FileCopyrightText: 1998 Argonne National Laboratory */
+
+/* SPDX-License-Identifier: EPICS */
 
 /* xxxRecord.c */
 /* Example record support module */
diff --git a/src/template/ext/top/exampleExt/caExample.c b/src/template/ext/top/exampleExt/caExample.c
index 0eaff9ac6..dcda8e3af 100644
--- a/src/template/ext/top/exampleExt/caExample.c
+++ b/src/template/ext/top/exampleExt/caExample.c
@@ -1,6 +1,6 @@
-// SPDX-FileCopyrightText: 1998 Argonne National Laboratory
-//
-// SPDX-License-Identifier: EPICS
+/* SPDX-FileCopyrightText: 1998 Argonne National Laboratory */
+
+/* SPDX-License-Identifier: EPICS */
 
 /*caExample.c*/
 #include <stddef.h>