diff --git a/docs/devtoolkit/docs/source_en/index.rst b/docs/devtoolkit/docs/source_en/index.rst
index 2db74774ecef5f743b28b70125c433010a908d55..f0f29955dcdede5fabafb55c70fcc48696c00512 100644
--- a/docs/devtoolkit/docs/source_en/index.rst
+++ b/docs/devtoolkit/docs/source_en/index.rst
@@ -15,7 +15,7 @@ System Requirements
 
 MindSpore Dev Toolkit is a `PyCharm <https://www.jetbrains.com/pycharm/>`_ plug-in. PyCharm is a cross-platform Python IDE.
 
-- OSs supported by the plug-in:
+- Operating systems supported by the plug-in:
 
   - Windows 10