diff --git a/package.json.in b/package.json.in
index 6c89d9f..fe4ddae 100644
--- a/package.json.in
+++ b/package.json.in
@@ -29,13 +29,18 @@
   },
 
   "keywords": [
+      "classes",
+      "classical",
+      "extend"
+      "gnu",
+      "inheritance",
+      "interfaces",
+      "mixins"
       "object oriented",
       "oo",
       "oop",
-      "classes",
-      "classical",
-      "interfaces",
       "protected members",
-      "inheritance"
+      "traits",
+      "visibility",
   ]
 }