diff --git a/README.md b/README.md
index 8393488..f66c7d0 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,7 @@ It includes a PDF converter that can transform PDF files
 into other text formats (such as HTML). It has an extensible
 PDF parser that can be used for other purposes than text analysis.
 
+
 Features
 --------
 
@@ -23,6 +24,7 @@ Features
  * Tagged contents extraction.
  * Automatic layout analysis.
 
+
 How to Install
 --------------
 
@@ -37,6 +39,7 @@ How to Install
 
     $ pdf2txt.py samples/simple1.pdf
 
+
 For CJK Languages
 -----------------
 
@@ -60,6 +63,7 @@ paste the following commands on a command line prompt:
     python tools\conv_cmap.py -c KSC-EUC=euc-kr -c KSC-Johab=johab -c KSCms-UHC=cp949 -c UniKS-UTF8=utf-8 pdfminer\cmap Adobe-Korea1 cmaprsrc\cid2code_Adobe_Korea1.txt
     python setup.py install
 
+
 Command Line Tools
 ------------------
 
@@ -87,6 +91,21 @@ but it's also possible to extract some meaningful contents (e.g. images).
 
 (For details, refer to the html document.)
 
+
+API Changes
+-----------
+
+As of November 2013, there were a few changes made to the PDFMiner API
+prior to October 2013. This is the result of code restructuring.  Here
+is a list of the changes:
+
+ * PDFDocument class is moved to pdfdocument.py.
+ * PDFDocument class now takes a PDFParser object as an argument.
+   PDFDocument.set_parser() and PDFParser.set_document() is removed.
+ * PDFPage class is moved to pdfpage.py
+ * process_pdf function is implemented as a class method PDFPage.get_pages.
+
+
 TODO
 ----
 
@@ -97,6 +116,7 @@ TODO
  * Better documentation.
  * Crypt stream filter support.
 
+
 Related Projects
 ----------------
 
@@ -105,6 +125,7 @@ Related Projects
  * <a href="http://www.pdfbox.org/">pdfbox</a>
  * <a href="http://mupdf.com/">mupdf</a>
 
+
 Terms and Conditions
 --------------------
 
diff --git a/docs/index.html b/docs/index.html
index 0039ffd..6404407 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -9,7 +9,7 @@
 
 <div align=right class=lastmod>
 <!-- hhmts start -->
-Last Modified: Sat Oct 26 15:03:35 UTC 2013
+Last Modified: Sun Nov 17 06:32:44 UTC 2013
 <!-- hhmts end -->
 </div>
 
@@ -368,7 +368,18 @@ no stream header is displayed for the ease of saving it to a file.
 
 <h2><a name="changes">Changes</a></h2>
 <ul>
-<li> 2013/10/22: Sudden resurge of interests. 
+<li> 2013/11/13: Bugfixes and minor improvements.<br>
+As of November 2013, there were a few changes made to the PDFMiner API
+prior to October 2013. This is the result of code restructuring.  Here
+is a list of the changes:
+ <ul>
+ <li> <code>PDFDocument</code> class is moved to <code>pdfdocument.py</code>.
+ <li> <code>PDFDocument</code> class now takes a <code>PDFParser</code> object as an argument.
+ <li> <code>PDFDocument.set_parser()</code> and <code>PDFParser.set_document()</code> is removed.
+ <li> <code>PDFPage</code> class is moved to <code>pdfpage.py</code>.
+ <li> <code>process_pdf</code> function is implemented as <code>PDFPage.get_pages</code>.
+</ul>
+<li> 2013/10/22: Sudden resurge of interests. API changes.
 Incorporated a lot of patches and robust handling of broken PDFs.
 <li> 2011/05/15: Speed improvements for layout analysis.
 <li> 2011/05/15: API changes. <code>LTText.get_text()</code> is added.