diff --git a/README.md b/README.md index 06502f4283a719203e6f2f215c181beaab8a66a8..4b232a90484f997afbbc1f96a68fb20461f2bc08 100644 --- a/README.md +++ b/README.md @@ -31,7 +31,9 @@ RT-Thread RTOS can support many architectures: ## License ## -RT-Thread RTOS is released under GPLv2+ license, that means any modification of RT-Thread RTOS should be feed back to community, but it can be friendly used in commercial products when mention your product is using RT-Thread RTOS. +RT-Thread RTOS is free software; you can redistribute it and/or modify it under terms of the GNU General Public License version 2 as published by the Free Software Foundation. RT-Thread RTOS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with RT-Thread; see file COPYING. If not, write to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. + +As a special exception, including RT-Thread RTOS header files in a file, instantiating RT-Thread RTOS generics or templates, or linking other files with RT-Thread RTOS objects to produce an executable application, does not by itself cause the resulting executable application to be covered by the GNU General Public License. This exception does not however invalidate any other reasons why the executable file might be covered by the GNU Public License. ## Usage ##