message: Fix typo in support button example
diff: @@ -185,7 +185,7 @@ const ExampleContentHeader = ({ selectedTab }: { selectedTab?: number }) => (
  title={selectedTab !== undefined ? tabs[selectedTab].label : 'Header'}
  >
  <SupportButton>
  - This Plugin is an example. This text could provide usefull information for
  + This Plugin is an example. This text could provide useful information for
  the user.
  </SupportButton>
  </ContentHeader>
  