message: Update link to css location.
diff: @@ -45,7 +45,7 @@ Code should be committed as follows:
  * In practice, `matrix-react-sdk` is still evolving so fast that the maintenance
  burden of customising and overriding these components for Riot can seriously
  impede development. So right now, there should be very few (if any) customisations for Riot.
  - * CSS: https://github.com/vector-im/riot-web/tree/master/src/skins/vector/css/matrix-react-sdk
  + * CSS: https://github.com/matrix-org/matrix-react-sdk/tree/master/res/css
  * Theme specific CSS & resources: https://github.com/matrix-org/matrix-react-sdk/tree/master/res/themes
  React components in matrix-react-sdk are come in two different flavours:
  