diff --git a/CHANGELOG.md b/CHANGELOG.md
index ac683e5c..f8221cb2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## [Unreleased]
 
+### Changed
+
+- Small update for README and docs ([#122](https://github.com/marp-team/marpit/pull/122))
+
 ## v0.6.0 - 2019-01-19
 
 ### Added
diff --git a/README.md b/README.md
index c8b36570..ec5065a4 100644
--- a/README.md
+++ b/README.md
@@ -5,9 +5,9 @@
   <strong>Marpit</strong>: Markdown slide deck framework
 </p>
 <p align="center">
-  <a href="https://circleci.com/gh/marp-team/marpit/"><img src="https://img.shields.io/circleci/project/github/marp-team/marpit/master.svg?style=flat-square" alt="CircleCI" /></a>
-  <a href="https://codecov.io/gh/marp-team/marpit"><img src="https://img.shields.io/codecov/c/github/marp-team/marpit/master.svg?style=flat-square" alt="Codecov" /></a>
-  <a href="https://www.npmjs.com/package/@marp-team/marpit"><img src="https://img.shields.io/npm/v/@marp-team/marpit.svg?style=flat-square" alt="npm" /></a>
+  <a href="https://circleci.com/gh/marp-team/marpit/"><img src="https://img.shields.io/circleci/project/github/marp-team/marpit/master.svg?style=flat-square&logo=circleci" alt="CircleCI" /></a>
+  <a href="https://codecov.io/gh/marp-team/marpit"><img src="https://img.shields.io/codecov/c/github/marp-team/marpit/master.svg?style=flat-square&logo=codecov" alt="Codecov" /></a>
+  <a href="https://www.npmjs.com/package/@marp-team/marpit"><img src="https://img.shields.io/npm/v/@marp-team/marpit.svg?style=flat-square&logo=npm" alt="npm" /></a>
   <a href="./LICENSE"><img src="https://img.shields.io/github/license/marp-team/marpit.svg?style=flat-square" alt="LICENSE" /></a>
 </p>
 
@@ -17,8 +17,9 @@
 
 Marpit is designed to _output minimum assets for the slide deck_. You can use the bare assets as a logicless slide deck, but mainly we expect to integrate output with other tools and applications.
 
-This framework is actually created for use as [a core][marp-core] of the next version of [Marp](https://github.com/yhatt/marp/).
+In fact, this framework is created for using as the base of [a core converter][marp-core] in [the next version of Marp][marp].
 
+[marp]: https://github.com/marp-team/marp/
 [marp-core]: https://github.com/marp-team/marp-core/
 
 ## Features
@@ -57,6 +58,10 @@ yarn build
 
 Are you interested in contributing? Please see [CONTRIBUTING.md](.github/CONTRIBUTING.md).
 
+## Sub-projects
+
+- **[@marp-team/marpit-svg-polyfill](https://github.com/marp-team/marpit-svg-polyfill)** - A polyfill of the inline SVG slide in Safari based browsers.
+
 ## Author
 
 Managed by [@marp-team](https://github.com/marp-team).
diff --git a/docs/introduction.md b/docs/introduction.md
index ab7031fe..6d93d031 100644
--- a/docs/introduction.md
+++ b/docs/introduction.md
@@ -1,3 +1,4 @@
+[marp]: https://github.com/marp-team/marp/
 [marp-core]: https://github.com/marp-team/marp-core
 
 <p style="text-align:center;">
@@ -13,7 +14,7 @@
 
 Marpit is designed to _output minimum assets for the slide deck_. You can use the bare assets as a logicless slide deck, but mainly we expect to integrate output with other tools and applications.
 
-This framework is actually created for use as [a core][marp-core] of the next version of [Marp](https://github.com/yhatt/marp/).
+In fact, this framework is created for using as the base of [a core converter][marp-core] in [the next version of Marp][marp].
 
 ## Features