diff --git a/.hgsubstate b/.hgsubstate
index f1b0f27..6942afa 100644
--- a/.hgsubstate
+++ b/.hgsubstate
@@ -1 +1 @@
-e128a6e728fb227ccba98267ebf181fafc56fddf wiki
+ebc1867bf9ab3e469995283ac217d429be817c59 wiki
diff --git a/src/main/java/org/xerial/snappy/SnappyOutputStream.java b/src/main/java/org/xerial/snappy/SnappyOutputStream.java
index 5ae645f..d523a95 100755
--- a/src/main/java/org/xerial/snappy/SnappyOutputStream.java
+++ b/src/main/java/org/xerial/snappy/SnappyOutputStream.java
@@ -37,8 +37,9 @@ import java.io.OutputStream;
  * The output data format is:
  * <ol>
  * <li>snappy codec header defined in {@link SnappyCodec} (8 bytes)
- * <li>a pair of (compressed data size [4 byte integer. Big-endian], compressed
- * data...)
+ * <li>compressed block 1 : a pair of (compressed data size [4 byte integer.
+ * Big-endian], compressed data...)
+ * <li>compressed block 2
  * <li>...
  * </ol>
  * 
@@ -65,6 +66,12 @@ public class SnappyOutputStream extends OutputStream
         this(out, DEFAULT_BLOCK_SIZE);
     }
 
+    /**
+     * @param out
+     * @param blockSize
+     *            byte size of the internal buffer size
+     * @throws IOException
+     */
     public SnappyOutputStream(OutputStream out, int blockSize) throws IOException {
         this.out = out;
         this.blockSize = blockSize;
@@ -77,6 +84,16 @@ public class SnappyOutputStream extends OutputStream
         SnappyCodec.currentHeader().writeHeader(out);
     }
 
+    /**
+     * Writes len bytes from the specified byte array starting at offset off to
+     * this output stream. The general contract for write(b, off, len) is that
+     * some of the bytes in the array b are written to the output stream in
+     * order; element b[off] is the first byte written and b[off+len-1] is the
+     * last byte written by this operation.
+     */
+    /* (non-Javadoc)
+     * @see java.io.OutputStream#write(byte[], int, int)
+     */
     @Override
     public void write(byte[] b, int off, int len) throws IOException {
         rawWrite(b, off, len);
@@ -97,38 +114,112 @@ public class SnappyOutputStream extends OutputStream
         rawWrite(d, off * 8, len * 8);
     }
 
+    /**
+     * Compress the input double array data
+     * 
+     * @param f
+     *            input array
+     * @param off
+     *            offset in the array
+     * @param len
+     *            the number of elements in the array to copy
+     * @throws IOException
+     */
     public void write(double[] f, int off, int len) throws IOException {
         rawWrite(f, off * 8, len * 8);
     }
 
+    /**
+     * Compress the input float array data
+     * 
+     * @param f
+     *            input array
+     * @param off
+     *            offset in the array
+     * @param len
+     *            the number of elements in the array to copy
+     * @throws IOException
+     */
     public void write(float[] f, int off, int len) throws IOException {
         rawWrite(f, off * 4, len * 4);
     }
 
+    /**
+     * Compress the input int array data
+     * 
+     * @param f
+     *            input array
+     * @param off
+     *            offset in the array
+     * @param len
+     *            the number of elements in the array to copy
+     * @throws IOException
+     */
     public void write(int[] f, int off, int len) throws IOException {
         rawWrite(f, off * 4, len * 4);
     }
 
+    /**
+     * Compress the input short array data
+     * 
+     * @param f
+     *            input array
+     * @param off
+     *            offset in the array
+     * @param len
+     *            the number of elements in the array to copy
+     * @throws IOException
+     */
     public void write(short[] f, int off, int len) throws IOException {
         rawWrite(f, off * 2, len * 2);
     }
 
+    /**
+     * Compress the input array data
+     * 
+     * @param d
+     * @throws IOException
+     */
     public void write(long[] d) throws IOException {
         write(d, 0, d.length);
     }
 
+    /**
+     * Compress the input array data
+     * 
+     * @param f
+     * @throws IOException
+     */
     public void write(double[] f) throws IOException {
         write(f, 0, f.length);
     }
 
+    /**
+     * Compress the input array data
+     * 
+     * @param f
+     * @throws IOException
+     */
     public void write(float[] f) throws IOException {
         write(f, 0, f.length);
     }
 
+    /**
+     * Compress the input array data
+     * 
+     * @param f
+     * @throws IOException
+     */
     public void write(int[] f) throws IOException {
         write(f, 0, f.length);
     }
 
+    /**
+     * Compress the input array data
+     * 
+     * @param f
+     * @throws IOException
+     */
     public void write(short[] f) throws IOException {
         write(f, 0, f.length);
     }
@@ -155,6 +246,15 @@ public class SnappyOutputStream extends OutputStream
         }
     }
 
+    /**
+     * Writes the specified byte to this output stream. The general contract for
+     * write is that one byte is written to the output stream. The byte to be
+     * written is the eight low-order bits of the argument b. The 24 high-order
+     * bits of b are ignored.
+     */
+    /* (non-Javadoc)
+     * @see java.io.OutputStream#write(int)
+     */
     @Override
     public void write(int b) throws IOException {
         if (cursor >= uncompressed.length) {
@@ -163,6 +263,9 @@ public class SnappyOutputStream extends OutputStream
         uncompressed[cursor++] = (byte) b;
     }
 
+    /* (non-Javadoc)
+     * @see java.io.OutputStream#flush()
+     */
     @Override
     public void flush() throws IOException {
         dump();
@@ -195,6 +298,12 @@ public class SnappyOutputStream extends OutputStream
         cursor = 0;
     }
 
+    /**
+     * close the stream
+     */
+    /* (non-Javadoc)
+     * @see java.io.OutputStream#close()
+     */
     @Override
     public void close() throws IOException {
         flush();
diff --git a/stylesheet.css b/stylesheet.css
index 5161451..2683c03 100755
--- a/stylesheet.css
+++ b/stylesheet.css
@@ -5,14 +5,16 @@
 /* Page background color */
 body { background-color: #FFFFFF; color:#000000; font-family: Arial, sans-serif; }
 
+code { font-family: mono-space, Arial, sans-serif; }
+
 /* Headings */
 h1 { font-size: 145% }
 
 a:link { color: #006699; }
-a:hover { color: #6699CC; }
+a:hover { color: #6699CC; } 
 a:active { color: #6699CC; }
-a:visited { color: #669999; }
-
+a:visited { color: #333366; }
+ 
 /* Table colors */
 .TableHeadingColor     { background: #3399CC; color:#FFFFFF } /* Dark mauve */
 .TableSubHeadingColor  { background: #EEEEFF; color:#000000 } /* Light mauve */