diff --git a/docs/src/pages/guides/typescript/typescript.md b/docs/src/pages/guides/typescript/typescript.md
index b28456419ef8ad..8f043d89170cb1 100644
--- a/docs/src/pages/guides/typescript/typescript.md
+++ b/docs/src/pages/guides/typescript/typescript.md
@@ -109,7 +109,7 @@ type Props = {
    someProp: string;
 };
 
-type PropsWithStyles = Props & WithStyles<"one" | "two">;
+type PropsWithStyles = Props & WithStyles<keyof ReturnType<typeof styles>>;
 
 const Component: React.SFC<PropsWithStyles> = ({
   classes,