diff --git a/Gemfile.lock b/Gemfile.lock
index 48907e5..0996246 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,25 +9,23 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (4.2.0)
+    activesupport (4.2.10)
       i18n (~> 0.7)
-      json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    commander (4.4.0)
+    commander (4.4.5)
       highline (~> 1.7.2)
-    highline (1.7.8)
-    i18n (0.7.0)
-    json (1.8.3)
-    mini_portile2 (2.1.0)
-    minitest (5.9.0)
-    nokogiri (1.6.8)
-      mini_portile2 (~> 2.1.0)
-      pkg-config (~> 1.1.7)
-    pkg-config (1.1.7)
-    thread_safe (0.3.5)
-    tzinfo (1.2.2)
+    concurrent-ruby (1.0.5)
+    highline (1.7.10)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
+    mini_portile2 (2.3.0)
+    minitest (5.11.3)
+    nokogiri (1.8.2)
+      mini_portile2 (~> 2.3.0)
+    thread_safe (0.3.6)
+    tzinfo (1.2.5)
       thread_safe (~> 0.1)
 
 PLATFORMS
@@ -37,4 +35,4 @@ DEPENDENCIES
   rubyscholar!
 
 BUNDLED WITH
-   1.11.2
+   1.16.2
diff --git a/bin/rubyscholar b/bin/rubyscholar
index 9d4b9d8..d237014 100755
--- a/bin/rubyscholar
+++ b/bin/rubyscholar
@@ -25,7 +25,16 @@ command :scrape do |c|
     #rest stays in this block bc we need to access options
 
     raise IOError, "You must specify config file via --config\n" if options.config.nil?
-    config    = YAML.load_file(options.config) 
+    config    = {
+      "url" => nil,
+      "email" => nil,
+      "pdfs" => {},
+      "highlight" => [],
+      "altmetricDOIs" => [],
+      "minCitations" => nil,
+      "italicize" => []
+    }
+    config    = config.merge(YAML.load_file(options.config))
     parsed    = Rubyscholar::Parser.new(config["url"], 
                                         config["email"])
     html = Rubyscholar::Formatter.new(parsed, 
@@ -39,7 +48,7 @@ command :scrape do |c|
       html.gsub!( term , '<em>' + term + '</em>')
     end
 
-    STDERR << "Outputting to #{options.output}\n."
+    STDERR << "Outputting to #{options.output}.\n"
     File.open(options.output,'w') { |f| f.write html }
   end 
 end
diff --git a/lib/rubyscholar-main.rb b/lib/rubyscholar-main.rb
index 80c6139..99ff481 100644
--- a/lib/rubyscholar-main.rb
+++ b/lib/rubyscholar-main.rb
@@ -118,16 +118,19 @@ def to_html
                 doc.text '. '
                 doc.em   paper[:journalName] + ' '
                 doc.text paper[:journalDetails]
+
                 unless doi.empty?
                   doc.text(' ')
                   doc.a(href: URI.join("http://dx.doi.org/", doi)) do
                     doc.text "[DOI]"
                   end
                 end
-                if @pdfLinks.keys.include?(paper[:title])
+
+		if @pdfLinks.keys.include?(paper[:title])
                   doc.text(' ')
                   doc.a(href: @pdfLinks[paper[:title]]) { doc.text "[PDF]" }
-                end
+		end
+
                 if paper[:citationCount].to_i > @minCitations
                   doc.text(' ')
                   doc.a(href: paper[:citingPapers], title: "Citations") do
@@ -136,11 +139,10 @@ def to_html
                     end
                   end
                 end
-                if altmetricDOIs.include?( doi)
+
+		if altmetricDOIs.include?(doi)
                   doc.text(' ')
-                  doc.span(class: 'altmetric-embed',
-                          'data-badge-popover':'bottom',
-                          'data-doi': doi)
+                  doc.span(class: 'altmetric-embed', 'data-badge-popover':'bottom', 'data-doi': doi)
                 end
               end
             end