diff --git a/source/developers/mini-design.rst b/source/developers/mini-design.rst
index 3f0b396bb..6d81d0c95 100644
--- a/source/developers/mini-design.rst
+++ b/source/developers/mini-design.rst
@@ -4,7 +4,8 @@ Mini-Design
 The **Design Document** for certain feature.
 
 **NOTE**
-The documents displayed in this page are not official guides for user to reference. They are just design documents that describe how to implement certain feature. And sometimes they are not updated with the current implementation.
+
+*The documents displayed in this page are not official guides for user to reference. They are just design documents that describe how to implement certain feature. And sometimes they are not updated with the current implementation.*
 
 2.11
 ----