diff --git a/build/release/pre_gen_release_notes.py b/build/release/pre_gen_release_notes.py
index 90d8d1ddcb5..ec2fcee4b54 100755
--- a/build/release/pre_gen_release_notes.py
+++ b/build/release/pre_gen_release_notes.py
@@ -17,6 +17,8 @@
 # limitations under the License.
 #
 
+# This script is inspired by Apache Spark
+
 # This script simplifies the process of creating release notes, it
 # - folds the original and the revert commits
 # - filters out unrelated commits
diff --git a/build/release/release_utils.py b/build/release/release_utils.py
index 54327151fb5..d34f74d3662 100755
--- a/build/release/release_utils.py
+++ b/build/release/release_utils.py
@@ -16,6 +16,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+
+# This script is inspired by Apache Spark
+
 # This file contains helper methods used in creating a release.
 
 import re