diff --git a/docs/machine-learning/datasets/demo/glass.md b/docs/machine-learning/datasets/demo/glass.md
index 1ad84d3..5ba1665 100644
--- a/docs/machine-learning/datasets/demo/glass.md
+++ b/docs/machine-learning/datasets/demo/glass.md
@@ -21,9 +21,9 @@ Samples per class:
 To load Glass dataset simple use:
 
 ```
-use Phpml\Dataset\Demo\Glass;
+use Phpml\Dataset\Demo\GlassDataset;
 
-$dataset = new Glass();
+$dataset = new GlassDataset();
 ```
 
 ### Several samples example
diff --git a/docs/machine-learning/datasets/demo/iris.md b/docs/machine-learning/datasets/demo/iris.md
index 8baf731..4b602cf 100644
--- a/docs/machine-learning/datasets/demo/iris.md
+++ b/docs/machine-learning/datasets/demo/iris.md
@@ -14,9 +14,9 @@ Most popular and widely available dataset of iris flower measurement and class n
 To load Iris dataset simple use:
 
 ```
-use Phpml\Dataset\Demo\Iris;
+use Phpml\Dataset\Demo\IrisDataset;
 
-$dataset = new Iris();
+$dataset = new IrisDataset();
 ```
 
 ### Several samples example
diff --git a/docs/machine-learning/datasets/demo/wine.md b/docs/machine-learning/datasets/demo/wine.md
index 5b3f999..76a157b 100644
--- a/docs/machine-learning/datasets/demo/wine.md
+++ b/docs/machine-learning/datasets/demo/wine.md
@@ -14,9 +14,9 @@ These data are the results of a chemical analysis of wines grown in the same reg
 To load Wine dataset simple use:
 
 ```
-use Phpml\Dataset\Demo\Wine;
+use Phpml\Dataset\Demo\WineDataset;
 
-$dataset = new Wine();
+$dataset = new WineDataset();
 ```
 
 ### Several samples example