Fix even more Rubocop problems

2 files changed, 4 insertions, 4 deletions

diff --git a/lib/helpers/child_parent_better.rb b/lib/helpers/child_parent_better.rb
index 86dd6565..7c5f0fbb 100644
--- a/lib/helpers/child_parent_better.rb
+++ b/lib/helpers/child_parent_better.rb
@@ -35,8 +35,8 @@ module Nanoc::Helpers
         return get_nearest_parent(parent_dir)
       else
         parent_dir = item_identifier.sub(/[^\/]+$/, '').chop
-        parent = @items[parent_dir + '/README.*']
-        alt_parent = @items[parent_dir + '/index.*']
+        parent = @items["#{parent_dir}/README.*"]
+        alt_parent = @items["#{parent_dir}/index.*"]
         if (parent.nil? && alt_parent.nil?)
           get_nearest_parent(parent_dir)
         elsif alt_parent.nil?
diff --git a/lib/helpers/reading_time.rb b/lib/helpers/reading_time.rb
index 1f96dcf5..c336dec7 100644
--- a/lib/helpers/reading_time.rb
+++ b/lib/helpers/reading_time.rb
@@ -24,11 +24,11 @@ module Nanoc::Helpers
       minutes = (words / WPM).ceil
       seconds = (words % WPM / (WPM / 60)).floor
 
-      if seconds > 0
+      if seconds.positive?
         minutes += 1
       end
 
-      (minutes <= 1 ? 'about a minute' : '~' + minutes.to_s + ' minutes')
+      (minutes <= 1 ? 'about a minute' : "~#{minutes} minutes")
     end
   end
 end