diff --git a/metainfo.json b/metainfo.json
index cc0c8b8189fedca58e24c0cca0f006ea2b2e5a1b..221c9a7ec00e9df19ee43dcc1b8409f19e538458 100644
--- a/metainfo.json
+++ b/metainfo.json
@@ -30,12 +30,12 @@
     ],
     "ai_methods": [
       "Supervised learning",
-      "Unsupervised learning"
-      "Features selection"
+      "Unsupervised learning",
+      "Features selection",
       "Information theory",
       "Mutual information",
       "Cumulative entropy",
-      "Clustering"
+      "Clustering",
       "TCMI",
     ],
     "language": [