diff --git a/tutorials/katacoda/case-http-401-cn/index.json b/tutorials/katacoda/case-http-401-cn/index.json
index 2ed38c83f..242b57832 100644
--- a/tutorials/katacoda/case-http-401-cn/index.json
+++ b/tutorials/katacoda/case-http-401-cn/index.json
@@ -6,7 +6,7 @@
   "details": {
     "steps": [
       {
-        "title": "Start math-game",
+        "title": "Start demo",
         "text": "start-demo.md"
       },
       {
diff --git a/tutorials/katacoda/case-http-401-en/index.json b/tutorials/katacoda/case-http-401-en/index.json
index 98680f6f8..a56942099 100644
--- a/tutorials/katacoda/case-http-401-en/index.json
+++ b/tutorials/katacoda/case-http-401-en/index.json
@@ -6,7 +6,7 @@
   "details": {
     "steps": [
       {
-        "title": "Start math-game",
+        "title": "Start demo",
         "text": "start-demo.md"
       },
       {
diff --git a/tutorials/katacoda/case-http-404-cn/index.json b/tutorials/katacoda/case-http-404-cn/index.json
index 0c2dc29bb..615fdc638 100644
--- a/tutorials/katacoda/case-http-404-cn/index.json
+++ b/tutorials/katacoda/case-http-404-cn/index.json
@@ -6,7 +6,7 @@
   "details": {
     "steps": [
       {
-        "title": "Start math-game",
+        "title": "Start demo",
         "text": "start-demo.md"
       },
       {
diff --git a/tutorials/katacoda/case-http-404-en/index.json b/tutorials/katacoda/case-http-404-en/index.json
index 97d776272..474d22d36 100644
--- a/tutorials/katacoda/case-http-404-en/index.json
+++ b/tutorials/katacoda/case-http-404-en/index.json
@@ -6,7 +6,7 @@
   "details": {
     "steps": [
       {
-        "title": "Start math-game",
+        "title": "Start demo",
         "text": "start-demo.md"
       },
       {