diff --git a/hardware/Rakefile b/hardware/Rakefile
index 8f59770..597f399 100644
--- a/hardware/Rakefile
+++ b/hardware/Rakefile
@@ -151,7 +151,8 @@ def bom2(schematic, attributes)
   # generate bom2
   list = `gnetlist -g bom2 -Oattribs=#{attributes*','} -q -o - #{schematic}`
   list.encode!("UTF-8","ISO-8859-1")
-  list.gsub!(/(\d[Mkmµ]?)\?/,'\1Ω')
+  list.gsub!(/(\d[Mkmµ]?)\?/,'\1Ω') # UTF-8 characters like Ω are replaced with ? by gnetlist
+  list.gsub!(/(https?:\/\/[^:]*):/,'"\1":') # ':' (like in links) are not protected
   # parse bom2
   csv = CSV.parse(list,{:col_sep => ":"})
   csv[1..-1].each do |row|
@@ -215,10 +216,11 @@ def octopart(seller,sku)
   return to_return
 end
 
+DIGIKEY_URL = "http://www.digikey.de/product-detail/en/all/"
 def scrape_digikey(sku)
   to_return = {stock: nil, currency: "EUR", prices: []}
   # get page
-  url = "http://www.digikey.de/product-detail/en/all/#{sku}/"
+  url = DIGIKEY_URL+sku
   doc = Nokogiri::HTML(open(URI.escape(url)))
   # get stock
   stock_doc = doc.xpath('//td[@id="quantityavailable"]')[0]
@@ -235,10 +237,11 @@ def scrape_digikey(sku)
   return to_return
 end
 
+FARNELL_URL = "http://de.farnell.com/"
 def scrape_farnell(sku)
   to_return = {stock: nil, currency: "EUR", prices: []}
   # get page
-  url = "http://de.farnell.com/#{sku}"
+  url = FARNELL_URL+sku
   doc = Nokogiri::HTML(open(URI.escape(url)))
   # get stock
   stock_doc = doc.xpath('//td[@class="prodDetailAvailability"]')[0]
@@ -260,10 +263,11 @@ def scrape_farnell(sku)
   return to_return
 end
 
+MOUSER_URL = "http://www.mouser.com/Search/ProductDetail.aspx?R=0virtualkey0virtualkey"
 def scrape_mouser(sku)
   to_return = {stock: nil, currency: "EUR", prices: []}
   # get page
-  url = "http://www.mouser.com/Search/ProductDetail.aspx?R=0virtualkey0virtualkey#{sku}"
+  url = MOUSER_URL+sku
   doc = Nokogiri::HTML(open(URI.escape(url),:allow_redirections => :all))
   # get stock
   stock_doc = doc.xpath('//table[contains(@id,"availability")]/tr/td')[0]
@@ -353,6 +357,7 @@ targets.each do |target|
     File.open(t.name,"w") do |notes_file|
       notes_data.each do |note|
         next unless note['note']
+        note['note'] = note['note'].gsub('. ',".\n").gsub(/\n+$/,'')
         notes_file.puts "#{note['refdes']}:\n#{note['note']}\n\n"
       end
     end
@@ -362,7 +367,7 @@ end
 desc "generate BOM file from schematic"
 targets.each do |target|
   file "#{target[:name]}_bom.csv" => target[:sch] do |t|
-    attributes = ["category","device","value","description","manufacturer","manufacturer-id","digikey-id","farnell-id","mouser-id"]
+    attributes = ["category","device","value","description","manufacturer","manufacturer-id","datasheet","digikey-id","farnell-id","mouser-id"]
     bom_data = bom2(t.prerequisites[0],attributes)
     CSV.open(t.name, "wb") do |csv|
       all_attributes = ["refdes","qty"]+attributes
diff --git a/hardware/lib/symbols/capacitor_470uF-electrolytic_kemet_ESK477M6R3AE3AA.sym b/hardware/lib/symbols/capacitor_470uF-electrolytic_kemet_ESK477M6R3AE3AA.sym
index e005493..2ed3001 100644
--- a/hardware/lib/symbols/capacitor_470uF-electrolytic_kemet_ESK477M6R3AE3AA.sym
+++ b/hardware/lib/symbols/capacitor_470uF-electrolytic_kemet_ESK477M6R3AE3AA.sym
@@ -32,7 +32,7 @@ L 340 349 240 349 3 0 0 0 -1 -1
 T 0 500 8 10 1 1 0 0 1
 refdes=C?
 T 0 1100 5 10 0 0 0 0 1
-description=electolytic, 470µF, 6.3V, 20%, THT, radial
+description=electrolytic, 470µF, 6.3V, 20%, THT, radial
 T 500 500 8 10 1 1 0 0 1
 value=470µF
 T 0 900 8 10 0 0 0 0 1