diff --git a/karaoke/contents.md b/karaoke/contents.md
index 594efb8..08b28c1 100644
--- a/karaoke/contents.md
+++ b/karaoke/contents.md
@@ -38,8 +38,8 @@ contents:
 
     - "Oh-a-aho oh x2"
 
-    - "Gaming could make enjoyable world"
-    - "Gaming should make a beautiful world"
+    - "Gaming could make a better world"
+    - "Gaming should make an easier world"
 
     - "If you fail then don't complain"
     - "Try your best and play the game"
@@ -50,13 +50,13 @@ contents:
 
     - "Gaming can't make a happier world"
     - "Gaming can't make a healthier world"
-    - "Gaming can't make a fulfilling world"
     - "Gaming can't make an inspiring world"
-    - "Gaming can't make a promising world"
+    - "Gaming can't make an easier world"
+    - "Gaming can't make a better world"
 
-    - "Gaming can't make make a happier world"
+    - "Gaming can't make a happier world"
     - "Gaming can't make a healthier world"
-    - "Gaming can't make a fulfilling world"
+    - "Gaming can't make a promising world"
     - "Gaming can't make an easier world"
     - "Gaming can't make a better world..."
 ---