diff --git a/gradle/witness/gradle-witness.gradle b/gradle/witness/gradle-witness.gradle
index 661c16a8d6..9f50b8a6cc 100644
--- a/gradle/witness/gradle-witness.gradle
+++ b/gradle/witness/gradle-witness.gradle
@@ -9,6 +9,8 @@
 // 3. Run `git diff` to verify that expected hashes have changed
 // 4. Commit the changes
 //
+// Note: The checksums are SHA-256.
+//
 // See https://github.com/signalapp/gradle-witness#using-witness for further details.
 
 dependencyVerification {