diff --git a/doc/DESCRIPTION.md b/doc/DESCRIPTION.md
new file mode 100644
index 0000000..48a53f1
--- /dev/null
+++ b/doc/DESCRIPTION.md
@@ -0,0 +1 @@
+Create the number 2048. Cubes with same number merge!
\ No newline at end of file
diff --git a/manifest.json b/manifest.json
index 692ae9e..5cd08f4 100644
--- a/manifest.json
+++ b/manifest.json
@@ -8,6 +8,12 @@
     },
      "version": "1.0~ynh5",
     "url": "https://github.com/Kshitij-Banerjee/Cubiks-2048/",
+    "upstream": {
+        "license": "MIT",
+        "website": "https://kshitij-banerjee.github.io/Cubiks-2048/",
+        "demo": "https://kshitij-banerjee.github.io/Cubiks-2048/",
+        "code": "https://github.com/Kshitij-Banerjee/Cubiks-2048/"
+    },
     "license": "MIT",
     "maintainer": {
         "name": "eric_G",