diff --git a/CHANGELOG.md b/CHANGELOG.md
index 72a62a2..682251b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,15 +3,19 @@ Record of the modification in project development.
 
 ## [Unreleased]
 
+## [0.2.0] - 2019-02-23
+
 ### Added
 - [Issue 6 : Add CubeMX configuration note to the porting guide.](https://github.com/suikan4github/murasaki/issues/6)
 - [Issue 10 : Write an install script](https://github.com/suikan4github/murasaki/issues/10)
 - [Issue 12 : Step-By-Step porting sample](https://github.com/suikan4github/murasaki/issues/12)
 - [Issue 13 : Add post mortem debugging description](https://github.com/suikan4github/murasaki/issues/13)
+
 ### Changed
 - [Issue 8 : ADD link to murasaki_samples to README.md](https://github.com/suikan4github/murasaki/issues/8)
 - [Issue 16 : Substitute \n\r by \n ](https://github.com/suikan4github/murasaki/issues/16)
 - [Issue 17 : README.md refinement for DMA Interrupt and required memory](https://github.com/suikan4github/murasaki/issues/17)
+
 ### Deprecated
 ### Removed
 ### Fixed
@@ -19,9 +23,11 @@ Record of the modification in project development.
 - [Issue 11 : Link to refman.pdf in README.md is wrong](https://github.com/suikan4github/murasaki/issues/11)
 - [Issue 7 : README.md doesn't have link to the "where to get" at ToC](https://github.com/suikan4github/murasaki/issues/7)
 - [Issue 15 : Write a Program flow walk through](https://github.com/suikan4github/murasaki/issues/15)
+
 ### Security
 ### Known Issue
-- The SPI slave transfer is not tested. 
+- The SPI slave transfer is not tested.
+
 ## [0.1.0] - 2019-02-11
 
 ### Added
@@ -39,5 +45,6 @@ Record of the modification in project development.
 ### Fixed
 ### Security
 
-[Unreleased]: https://github.com/suikan4github/murasaki/compare/v0.1.0...develop
+[Unreleased]: https://github.com/suikan4github/murasaki/compare/v0.2.0...develop
+[0.2.0]: https://github.com/suikan4github/murasaki/compare/v0.1.0...v0.2.0
 [0.1.0]: https://github.com/suikan4github/murasaki/compare/v0.0.0...v0.1.0
diff --git a/Inc/murasaki_0_intro.hpp b/Inc/murasaki_0_intro.hpp
index 131bc67..f184723 100644
--- a/Inc/murasaki_0_intro.hpp
+++ b/Inc/murasaki_0_intro.hpp
@@ -13,7 +13,8 @@
  * \page murasaki_ug_preface Preface
  * \brief Murasaki, is a class library on the STM32Cube HAL and FreeRTOS.
  * \details
- * By using Murasaki, you can program STM32 series quickly and easily.
+ * By using Murasaki, you can program STM32 series quickly and easily. You can obtain the
+ * source code of the Murasaki Library from the <a href="https://github.com/suikan4github/murasaki">GitHub repository</a>.
  *
  * Murasaki has following design philosophies:
  *
diff --git a/doc/refman.pdf b/doc/refman.pdf
index efbe387..b79ebc3 100644
Binary files a/doc/refman.pdf and b/doc/refman.pdf differ