diff --git a/project/CopyrightHeader.scala b/project/CopyrightHeader.scala
index 30c65499..7bcb1378 100644
--- a/project/CopyrightHeader.scala
+++ b/project/CopyrightHeader.scala
@@ -37,7 +37,7 @@ object CopyrightHeader extends AutoPlugin {
           (headerCreate / unmanagedResourceDirectories) += baseDirectory.value / "src" / "main" / "twirl"))
     })
 
-  val apacheHeader: String =
+  val apacheFromAkkaSourceHeader: String =
     """Licensed to the Apache Software Foundation (ASF) under one or more
       |license agreements; and to You under the Apache License, version 2.0:
       |
@@ -46,6 +46,23 @@ object CopyrightHeader extends AutoPlugin {
       |This file is part of the Apache Pekko project, which was derived from Akka.
       |""".stripMargin
 
+  val apacheHeader: String =
+    """Licensed to the Apache Software Foundation (ASF) under one or more
+      |contributor license agreements. See the NOTICE file distributed with
+      |this work for additional information regarding copyright ownership.
+      |The ASF licenses this file to You under the Apache License, Version 2.0
+      |(the "License"); you may not use this file except in compliance with
+      |the License. You may obtain a copy of the License at
+      |
+      |   http://www.apache.org/licenses/LICENSE-2.0
+      |
+      |Unless required by applicable law or agreed to in writing, software
+      |distributed under the License is distributed on an "AS IS" BASIS,
+      |WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+      |See the License for the specific language governing permissions and
+      |limitations under the License.
+      |""".stripMargin
+
   val apacheSpdxHeader: String = "SPDX-License-Identifier: Apache-2.0"
 
   val twirlStyleBlockComment = HeaderCommentStyle.twirlStyleBlockComment.copy(commentCreator = new CommentCreator() {
@@ -55,7 +72,8 @@ object CopyrightHeader extends AutoPlugin {
         case Some(currentText) if isApacheCopyrighted(currentText) || isGenerated(currentText) =>
           currentText
         case Some(currentText) if isOnlyLightbendCopyrightAnnotated(currentText) =>
-          HeaderCommentStyle.twirlStyleBlockComment.commentCreator(text, existingText) + NewLine * 2 + currentText
+          HeaderCommentStyle.twirlStyleBlockComment.commentCreator(apacheFromAkkaSourceHeader,
+            existingText) + NewLine * 2 + currentText
         case Some(currentText) =>
           throw new IllegalStateException(s"Unable to detect copyright for header: [$currentText]")
         case None =>
diff --git a/project/MetaInfLicenseNoticeCopy.scala b/project/MetaInfLicenseNoticeCopy.scala
index 36d856da..f3b19be4 100644
--- a/project/MetaInfLicenseNoticeCopy.scala
+++ b/project/MetaInfLicenseNoticeCopy.scala
@@ -1,10 +1,18 @@
 /*
  * Licensed to the Apache Software Foundation (ASF) under one or more
- * license agreements; and to You under the Apache License, version 2.0:
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
  *
- *   https://www.apache.org/licenses/LICENSE-2.0
+ *    http://www.apache.org/licenses/LICENSE-2.0
  *
- * This file is part of the Apache Pekko project, which was derived from Akka.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 
 import sbt.Keys._
diff --git a/project/NoPublish.scala b/project/NoPublish.scala
index cb128013..22b301ab 100644
--- a/project/NoPublish.scala
+++ b/project/NoPublish.scala
@@ -1,10 +1,18 @@
 /*
  * Licensed to the Apache Software Foundation (ASF) under one or more
- * license agreements; and to You under the Apache License, version 2.0:
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
  *
- *   https://www.apache.org/licenses/LICENSE-2.0
+ *    http://www.apache.org/licenses/LICENSE-2.0
  *
- * This file is part of the Apache Pekko project, which was derived from Akka.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 
 package org.apache.pekko.grpc