diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3513cfa..3f377a6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,8 @@
-0.2.0 /
+0.2.1 / 2016-10-03
+==================
+- [doc] fix README and CHANGELOG
+
+0.2.0 / 2016-10-03
 ==================
 - [breaking] `declaration-block-properties-order` added `bottom`, `left` in Positioning section.
 - [breaking] `declaration-block-properties-order` added `max-width`, `min-width`, `max-height`, `min-height` in Display & Box Model section.
diff --git a/README.md b/README.md
index 51419b5..c875347 100644
--- a/README.md
+++ b/README.md
@@ -38,6 +38,28 @@
         'margin',
       ],
     },
+    {
+      /* Flex Container(Parent) */
+      properties: [
+        'flex-flow',
+        'flex-direction',
+        'flex-wrap',
+        'justify-content',
+        'align-items',
+        'align-content',
+      ],
+    },
+    {
+      /* Flex Item(Children) */
+      properties: [
+        'flex',
+        'flex-grow',
+        'flex-shrink',
+        'flex-basis',
+        'order',
+        'align-self',
+      ],
+    },
     {
       /* Color */
       properties: [