diff --git a/public/js/Room.js b/public/js/Room.js
index 2a8c6f2c..3ab7244a 100644
--- a/public/js/Room.js
+++ b/public/js/Room.js
@@ -4032,7 +4032,7 @@ function showAbout() {
         imageUrl: image.about,
         customClass: { image: 'img-about' },
         position: 'center',
-        title: 'WebRTC SFU v1.4.60',
+        title: 'WebRTC SFU 1.4.71',
         html: `
         <br />
         <div id="about">
diff --git a/rtmpServers/node-media-server/src/sign.js b/rtmpServers/node-media-server/src/sign.js
index 58a13e1b..7e4d0f99 100644
--- a/rtmpServers/node-media-server/src/sign.js
+++ b/rtmpServers/node-media-server/src/sign.js
@@ -27,7 +27,7 @@ function generateRTMPUrl(baseURL, streamPath, secretKey, expirationHours = 8) {
     const rtmpUrl = `${baseURL}${streamPath}?sign=${expirationTime}-${hashValue}`;
 
     // Print some log
-    log.debug('generateRTMPUrl', {
+    console.debug('generateRTMPUrl', {
         currentTime: currentTime,
         expirationTime: expirationTime,
         hashValue: hashValue,
@@ -38,10 +38,10 @@ function generateRTMPUrl(baseURL, streamPath, secretKey, expirationHours = 8) {
 }
 
 // Example usage
-const baseURL = 'rtmp://localhost:1935';
-const streamKey = uuidv4();
-const streamPath = '/live/' + streamKey; // path/stream-key
-const secretKey = 'mirotalkRtmpSecret';
+const baseURL = 'rtmp://localhost:1935'; // Rtmp server
+const streamKey = uuidv4(); // Generate random stream key
+const streamPath = '/live/' + streamKey; // Path/stream-key
+const secretKey = 'mirotalkRtmpSecret'; // Must be the same as in config.js auth.secret
 const expirationHours = 8;
 
 // Run: node sign.js