message: docs: Fix spelling issue
diff: @@ -41,7 +41,7 @@ Any component that needs a color to put in the styles should be using the
  theme's color palette, most Backstage components and all MUI components should
  use the theme's color palette by default, so unless you need explicit control
  on the color of a component (say when the component was designed to use the
  -primay color but you want to use the secondary), then the easiest way to access
  +primary color but you want to use the secondary), then the easiest way to access
  the color palette is with [`useTheme` hook](https://mui.com/material-ui/customization/theming/#accessing-the-theme-in-a-component).
  It's not a very common use case to override a theme color in a MUI component
  