diff --git a/cli/src/util.rs b/cli/src/util.rs
index bea0967..9c4b277 100644
--- a/cli/src/util.rs
+++ b/cli/src/util.rs
@@ -17,7 +17,16 @@ pub fn ser_size_mb<S>(size: &usize, serializer: S) -> Result<S::Ok, S::Error>
 where
 	S: Serializer,
 {
-	serializer.serialize_str(&format!("{:.2} MB", *size as f64 / 1024. / 1024.))
+	fn format_with_commas(num: &usize) -> String {
+		let s = num.to_string();
+
+		s.as_bytes().rchunks(3).map(String::from_utf8_lossy).rev().collect::<Vec<_>>().join(",")
+	}
+
+	let mb = *size as f64 / (1024. * 1024.);
+	let bytes = format_with_commas(size);
+
+	serializer.serialize_str(&format!("{mb:.2} MB ({bytes} bytes)"))
 }
 
 #[test]
@@ -41,6 +50,6 @@ fn ser_should_work() {
 			size: 1024 * 1024
 		})
 		.unwrap(),
-		r#"{"time":"2021-08-01T00:00:00+00:00","size":"1.00 MB"}"#
+		r#"{"time":"2021-08-01T00:00:00+00:00","size":"1.00 MB (1,048,576 bytes)"}"#
 	)
 }