diff --git a/Doc/screenshot/linechart-simple.png b/Doc/screenshot/linechart-simple.png index 91a0a918..064f458b 100644 Binary files a/Doc/screenshot/linechart-simple.png and b/Doc/screenshot/linechart-simple.png differ diff --git a/Doc/screenshot/linechart.png b/Doc/screenshot/linechart.png index db04158f..7272a4a5 100644 Binary files a/Doc/screenshot/linechart.png and b/Doc/screenshot/linechart.png differ