diff --git a/Sources/Basics/Archiver/ZipArchiver.swift b/Sources/Basics/Archiver/ZipArchiver.swift
index b0cb89684aa..a1753fec047 100644
--- a/Sources/Basics/Archiver/ZipArchiver.swift
+++ b/Sources/Basics/Archiver/ZipArchiver.swift
@@ -86,6 +86,8 @@ public struct ZipArchiver: Archiver, Cancellable {
             workingDirectory: directory.parentDirectory
         )
         #elseif os(FreeBSD)
+        // On FreeBSD, the unzip command is available in base but not the zip command.
+        // Therefore; we use libarchive(bsdtar) to produce the ZIP archive instead.
         let process = AsyncProcess(
           arguments: ["tar", "-c", "--format", "zip", "-f", destinationPath.pathString, directory.basename],
           workingDirectory: directory.parentDirectory