diff --git a/assets/js/app.coffee b/assets/js/app.coffee
index 9bacd46..4a7e899 100644
--- a/assets/js/app.coffee
+++ b/assets/js/app.coffee
@@ -29,8 +29,8 @@ class Choosealicense
     my: "top center"
     at: "bottom center"
 
-  # Annotation families as defined in `_config.yml`
-  families:
+  # Annotation rule types as defined in `_config.yml`
+  ruletypes:
     required: "Required"
     permitted: "Permitted"
     forbidden: "Forbidden"
@@ -45,20 +45,20 @@ class Choosealicense
   initTooltips: ->
 
     # Dynamically add annotations as title attribute to rule list items
-    for family, rules of window.annotations
+    for ruletype, rules of window.annotations
       for rule in rules
-        $(".license-rules ul.license-#{family} li.#{rule["tag"]}").attr "title", rule["description"]
+        $(".license-rules ul.license-#{ruletype} li.#{rule["tag"]}").attr "title", rule["description"]
 
     # Init tooltips on all rule list items
-    for family, label of @families
-      $(".license-#{family} li").qtip
+    for ruletype, label of @ruletypes
+      $(".license-#{ruletype} li").qtip
         content:
           text: false
           title:
             text: label
         position: @qtip_position
         style:
-          classes: "qtip-shadow qtip-#{family}"
+          classes: "qtip-shadow qtip-#{ruletype}"
 
     false