diff --git a/build.gradle b/build.gradle
index 1b2c59e0..4b25d42d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -266,6 +266,7 @@ javadoc {
 //
 //			def output = new ByteArrayOutputStream()
 //			def result = project.exec {
+//				// https://docs.oracle.com/javase/7/docs/technotes/tools/windows/jarsigner.html
 //				commandLine = [
 //					"\"${javaHome.get()}/bin/jarsigner\"",
 //					"-keystore",
@@ -283,6 +284,7 @@ javadoc {
 //				ignoreExitValue = true
 //			}
 //			println output
+//				// https://ant.apache.org/manual/Tasks/signjar.html
 ////			ant.signjar(
 ////				jar: inputFile,
 ////				signedjar: outputFile,