UnpackedArchive.markdown in epub-parser-0.2.3

- old
+ new

@@ -43,11 +43,11 @@
 
 To load EPUB books from directory, you need specify file adapter via {EPUB::OCF::PhysicalContainer} at first:
 
     require 'epub/parser'
     
-    EPUB::OCF::PhysicalContainer.adapter = :File
+    EPUB::OCF::PhysicalContainer.adapter = :UnpackedDirectory
 
 And then, directory path as EPUB path:
 
     epub = EPUB::Parser.parse('./page-blanche')
 
@@ -65,10 +65,10 @@
     # From packaged file
     File.ftype './page-blanche.epub' # => "file"
     archived_book = EPUB::Parser.parse('./page-blanche.epub') # => EPUB::Book
     # From directory
     File.ftype './page-blanche' # => "directory"
-    unpacked_book = EPUB::Parser.parse('./page-blanche', container_adapter: :File) # => EPUB::Book
+    unpacked_book = EPUB::Parser.parse('./page-blanche', container_adapter: :UnpackedDirectory) # => EPUB::Book
 
 Command-line tools
 ------------------
 
 Command-line tools `epubinfo` and `epub-open` may also handle with directory as EPUB books.