svmkit.gemspec in svmkit-0.5.2 vs svmkit.gemspec in svmkit-0.6.0

@@ -16,10 +16,11 @@
 SVMKit is a machine learninig library in Ruby.
 SVMKit provides machine learning algorithms with interfaces similar to Scikit-Learn in Python.
 SVMKit currently supports Linear / Kernel Support Vector Machine,
 Logistic Regression, Linear Regression, Ridge, Lasso, Factorization Machine,
 Naive Bayes, Decision Tree, Random Forest, K-nearest neighbor algorithm,
-K-Means, DBSCAN and cross-validation.
+K-Means, DBSCAN, Principal Component Analysis, Non-negative Matrix Factorization
+and cross-validation.
 MSG
   spec.homepage      = 'https://github.com/yoshoku/svmkit'
   spec.license       = 'BSD-2-Clause'
 
   spec.files         = `git ls-files -z`.split("\x0").reject do |f|