readme update

Author: sergiye

README.md

@@ -52,7 +52,7 @@ You can see information about devices such as:
 
 [<img src="https://github.com/sergiye/openhardwaremonitor/raw/master/themes.png" alt="Themes" width="300"/>](https://github.com/sergiye/openhardwaremonitor/releases)
 
-# Download
+## Download
 
 **The recommended way to get the program is BUILD from source**
 - Install git, Visual Studio
@@ -62,7 +62,7 @@ You can see information about devices such as:
 **or download build from [releases](https://github.com/sergiye/openhardwaremonitor/releases).**
 
 
-# Developer information
+## Developer information
 **Integrate the library in own application**
 1. Add the [OpenHardwareMonitorLib](https://www.nuget.org/packages/OpenHardwareMonitorLib/) NuGet package to your application.
 2. Use the sample code below.