README.md in biblicit-2.2.1 vs README.md in biblicit-2.2.2

@@ -11,11 +11,11 @@
 ```ruby
   # Extract metadata from a file using default tools and settings
   result = Biblicit::Extractor.extract(content: "a string containing the content of a PDF file")
 
   # Extract metadata from a file using all available tools
-  result = Biblicit::Extractor.extract(file: "myfile.pdf", tools: [:citeseer, :parshed, :cb2bib], remote: true, token: false)
+  result = Biblicit::Extractor.extract(file: "myfile.pdf", tools: [:parshed, :cb2bib], remote: true, token: false)
 
   # See reference information for "myfile.pdf"
   result[:citeseer][:title]
   result[:parshed][:title]
   result[:citeseer][:authors]
@@ -137,10 +137,10 @@
 
 ##### On Debian/Ubuntu
 
     sudo apt-add-repository 'deb http://cl.naist.jp/~eric-n/ubuntu-nlp oneiric all'
     sudo apt-get update
-    sudo apt-get install libcrf++ crf++
+    sudo apt-get install libcrf++-dev crf++
 
 ##### On OS X with Homebrew
 
     brew install crf++