diff --git a/server/util-server.js b/server/util-server.js
index 93d4180d..24d42869 100644
--- a/server/util-server.js
+++ b/server/util-server.js
@@ -654,7 +654,7 @@ const parseCertificateInfo = function (info) {
 /**
  * Check if certificate is valid
  * @param {tls.TLSSocket} socket TLSSocket, which may or may not be connected
- * @returns {Object} Object containing certificate information
+ * @returns {object} Object containing certificate information
  */
 exports.checkCertificate = function (socket) {
     let certInfoStartTime = dayjs().valueOf();