diff --git a/packages/mui-material/src/styles/ThemeProviderWithVars.test.js b/packages/mui-material/src/styles/ThemeProviderWithVars.test.js
index 40815035040a50..ac438617e5228d 100644
--- a/packages/mui-material/src/styles/ThemeProviderWithVars.test.js
+++ b/packages/mui-material/src/styles/ThemeProviderWithVars.test.js
@@ -384,7 +384,7 @@ describe('[Material UI] ThemeProviderWithVars', () => {
     expect(() => {
       fireEvent.click(screen.getByText('Dark'));
     }).toErrorDev([
-      'MUI: The `setMode` function has no effect if `colorSchemeSelector` is not configured.\nPlease create a theme with `createTheme({ cssVariables: { colorSchemeSelector: "class" | "data" } })`.\nTo learn more, visit https://mui.com/material-ui/customization/css-theme-variables/configuration/#toggling-dark-mode-manually',
+      'MUI: The `setMode` function has no effect if `colorSchemeSelector` is not configured.\nTo toggle the mode manually, please configure `colorSchemeSelector` to use a class or data attribute.\nTo learn more, visit https://mui.com/material-ui/customization/css-theme-variables/configuration/#toggling-dark-mode-manually',
     ]);
   });
 });
diff --git a/packages/mui-system/src/cssVars/createCssVarsProvider.js b/packages/mui-system/src/cssVars/createCssVarsProvider.js
index 420b7efed48ee2..b6341ec97e2b27 100644
--- a/packages/mui-system/src/cssVars/createCssVarsProvider.js
+++ b/packages/mui-system/src/cssVars/createCssVarsProvider.js
@@ -249,7 +249,7 @@ export default function createCssVarsProvider(options) {
                   console.error(
                     [
                       'MUI: The `setMode` function has no effect if `colorSchemeSelector` is not configured.',
-                      'Please create a theme with `createTheme({ cssVariables: { colorSchemeSelector: "class" | "data" } })`.',
+                      'To toggle the mode manually, please configure `colorSchemeSelector` to use a class or data attribute.',
                       'To learn more, visit https://mui.com/material-ui/customization/css-theme-variables/configuration/#toggling-dark-mode-manually',
                     ].join('\n'),
                   );