diff --git a/app/controllers/admin/tags_controller.rb b/app/controllers/admin/tags_controller.rb
index d62361eaa27df9d446c84d4392c7d04a0246c4b5..39aca2a4b34b53e3fcb1888316de653e6651e816 100644
--- a/app/controllers/admin/tags_controller.rb
+++ b/app/controllers/admin/tags_controller.rb
@@ -71,7 +71,7 @@ module Admin
       now = Time.now.utc.beginning_of_day.to_date
 
       (Date.commercial(now.cwyear, now.cweek)..now).map do |date|
-        date.to_time.utc.beginning_of_day.to_i
+        date.to_time(:utc).beginning_of_day.to_i
       end
     end
   end
diff --git a/app/models/trending_tags.rb b/app/models/trending_tags.rb
index 594ae9520968f6932e984b2757bdeaa7dc01f141..3d60a7fea36b3ac8f359e2163b9775a1acf25da6 100644
--- a/app/models/trending_tags.rb
+++ b/app/models/trending_tags.rb
@@ -6,6 +6,7 @@ class TrendingTags
   EXPIRE_TRENDS_AFTER  = 1.day.seconds
   THRESHOLD            = 5
   LIMIT                = 10
+  REVIEW_THRESHOLD     = 3
 
   class << self
     include Redisable
@@ -60,7 +61,7 @@ class TrendingTags
         old_rank = redis.zrevrank(key, tag.id)
 
         redis.zadd(key, score, tag.id)
-        request_review!(tag) if (old_rank.nil? || old_rank > LIMIT) && redis.zrevrank(key, tag.id) <= LIMIT && !tag.trendable? && tag.requires_review? && !tag.requested_review?
+        request_review!(tag) if (old_rank.nil? || old_rank > REVIEW_THRESHOLD) && redis.zrevrank(key, tag.id) <= REVIEW_THRESHOLD && !tag.trendable? && tag.requires_review? && !tag.requested_review?
       end
 
       redis.expire(key, EXPIRE_TRENDS_AFTER)
diff --git a/app/views/admin/tags/show.html.haml b/app/views/admin/tags/show.html.haml
index 6a1e030655564fdd18257e6f34b4609e8f4bae7b..c3779d48c462827e8d9c606f44af1dcc29fe5a14 100644
--- a/app/views/admin/tags/show.html.haml
+++ b/app/views/admin/tags/show.html.haml
@@ -41,5 +41,5 @@
       - @usage_by_domain.each do |(domain, count)|
         %tr
           %th= domain || site_hostname
-          %td= "#{number_with_delimiter((count.to_f / @tag.history[0][:uses].to_f) * 100)}%"
+          %td= number_to_percentage((count / @tag.history[0][:uses].to_f) * 100)
           %td= number_with_delimiter count