diff --git a/INSTALL b/INSTALL
index 3a575e7..82e71e0 100755
--- a/INSTALL
+++ b/INSTALL
@@ -9,11 +9,10 @@
 * Maven 3.x http://maven.apache.org/
  - Check mvn command can be run from your command line.
 
-[Windows (32/64bit)]
+[Windows (32-bit)]
 * GNU make 
 * And also tar, curl, cp, rm, grep commands are needed. (I use Cygwin for building snappy-java in Windows)
 
-
 [Windows (64-bit)]
 * Download MinGW-w64 http://sourceforge.net/projects/mingw-w64/ 
 * Set PATH to the following commands in the downloaded archive: 
@@ -30,6 +29,14 @@ NOTICE: Do not use the Cygwin version of MinGW-w64. It fails to build assemblies
 
 To build x86 (32bit) dll using 64-bit Windows, use "make win32" target.
 
+[Linux (32/64-bit)]
+* gcc-4.5.x or higher is necessary because snappy-java uses -static-libstdc++ option. 
+
+
+[Mac]
+* Install gcc, make, etc. included in Mac OS X install disk. (X Code)
+* Install mercurial using Mac Porsts http://www.macports.org/
+
 
 = Building snappy-java =
 
@@ -38,3 +45,9 @@ $ make
 
 A native library for your machine environment and a jar package target/snappy-java-(version).jar are produced in the target folder.
 
+= Building native library = 
+$ make native
+
+= Rebuild native library =
+$ make clean-native native
+
diff --git a/README b/README
index 5954272..aca21c9 100755
--- a/README
+++ b/README
@@ -1,3 +1,7 @@
+This document is a copy of http://code.google.com/p/snappy-java/
+
+---------------------------------------
+
 The snappy-java is a Java port of the snappy http://code.google.com/p/snappy/, a fast compresser/decompresser (written in C++ developed by Google). 
 
 == Features ==
@@ -58,7 +62,7 @@ Add the following dependency to your pom.xml:
 <dependency>
   <groupId>org.xerial.snappy</groupId>
   <artifactId>snappy-java</artifactId>
-  <version>1.0.1-rc4</version>
+  <version>(version)</version>
   <type>jar</type>
   <scope>compile</scope>
 </dependency>
@@ -94,7 +98,7 @@ If you are using Maven for your web application, set the dependency scope as 'pr
     <dependency>
       <groupId>org.xerial.snappy</groupId>
       <artifactId>snappy-java</artifactId>
-      <version>1.0.1-rc4</version>
+      <version>(version)</version>
       <scope>provided</scope>
     </dependency>
 }}}
@@ -104,7 +108,7 @@ Snappy-java is developed by [http://www.xerial.org/leo Taro L. Saito]. Twitter
 
 [usage]
 
-* Add snappy-java-1.0.1.jar to your classpath
+* Add snappy-java-(version).jar to your classpath
 * Use the compress/decompress methods defined in org.xerial.snappy.Snappy class.
 
 == Contributors ==