diff --git a/overview/about-openharmony.rst b/overview/about-openharmony.rst
index 70902b7f9b4d3b4afed81378b13dfc4618b9f5b9..f9379ddf6dfcb0805fa82220e2bae3ea7e60c93a 100644
--- a/overview/about-openharmony.rst
+++ b/overview/about-openharmony.rst
@@ -46,6 +46,6 @@ Framework Layer
 The Framework layer will provide an SDK to develop |main_project_name| applications in multiple languages such as Java, C, C++, and JS depending on the target device class and its HW constraints.
 
 Application Layer
----------------
+-----------------
 
 This Application layer consists of system and third-party applications. |main_project_name| applications will be able to use APIs to expose business logic as `abilities` that may be utilized inside other applications, thus allowing creation of more integrated experiences on the same device as well as distributed across devices.