diff --git a/README.md b/README.md
index ff903a2d9d..2259732c69 100644
--- a/README.md
+++ b/README.md
@@ -97,11 +97,12 @@ import numpy as np
 
 ds = Dataset(
     "username/basic",
-    shape=(4,),
-    schema={
+    shape = (4,),
+    mode = "w+",
+    schema = {
         "image": schema.Tensor((512, 512), dtype="float"),
         "label": schema.Tensor((512, 512), dtype="float"),
-    },
+    }
 )
 
 ds["image"][:] = np.zeros((4, 512, 512))
diff --git a/examples/basic.py b/examples/basic.py
index 4cfb0ceb58..aff790d41a 100644
--- a/examples/basic.py
+++ b/examples/basic.py
@@ -14,6 +14,7 @@ def main():
             "image": schema.Tensor((512, 512), dtype="float"),
             "label": schema.Tensor((512, 512), dtype="float"),
         },
+        mode="w+",
     )
 
     # Upload Data