diff --git a/app/models/card/watchable.rb b/app/models/card/watchable.rb
index 94e5e27d9..8e719f756 100644
--- a/app/models/card/watchable.rb
+++ b/app/models/card/watchable.rb
@@ -23,7 +23,7 @@ module Card::Watchable
   end
 
   def watchers_and_subscribers(include_only_watching: false)
-    involvements = include_only_watching ? [:watching, :everything] : :everything
+    involvements = include_only_watching ? [ :watching, :everything ] : :everything
     subscribers = collection.users.where(accesses: { involvement: involvements })
 
     User.where(id: subscribers.pluck(:id) +
diff --git a/app/models/notifier/event.rb b/app/models/notifier/event.rb
index f5db7c146..a98835f5b 100644
--- a/app/models/notifier/event.rb
+++ b/app/models/notifier/event.rb
@@ -5,24 +5,24 @@ class Notifier::Event < Notifier
   private
     def recipients
       case source.action
-        when "assigned"
+      when "assigned"
           source.assignees.excluding(card.collection.access_only_users)
-        when "published"
+      when "published"
           watchers_and_subscribers(include_only_watching: true).without(creator, *mentionees)
-        when "commented"
+      when "commented"
           watchers_and_subscribers.without(creator, *mentionees)
-        else
+      else
           watchers_and_subscribers.without(creator)
       end
     end
 
     def mentionees
       case source.action
-        when "published"
+      when "published"
           source.card.mentionees
-        when "commented"
+      when "commented"
           source.comment.mentionees
-        else
+      else
           []
       end
     end