rumale.gemspec in rumale-0.9.0 vs rumale.gemspec in rumale-0.9.1

@@ -15,10 +15,10 @@
   spec.description   = <<MSG
 Rumale is a machine learninig library in Ruby.
 Rumale provides machine learning algorithms with interfaces similar to Scikit-Learn in Python.
 Rumale currently supports Linear / Kernel Support Vector Machine,
 Logistic Regression, Linear Regression, Ridge, Lasso, Factorization Machine,
-Naive Bayes, Decision Tree, AdaBoost, Random Forest, K-nearest neighbor algorithm,
+Naive Bayes, Decision Tree, AdaBoost, Random Forest, Extra-Trees, K-nearest neighbor algorithm,
 K-Means, DBSCAN, Principal Component Analysis, and Non-negative Matrix Factorization.
 MSG
   spec.homepage      = 'https://github.com/yoshoku/rumale'
   spec.license       = 'BSD-2-Clause'