[docs] Use () when referencing functions

Author: oliviertassinari

CHANGELOG.md

@@ -358,7 +358,7 @@ A big thanks to the 11 contributors who made this release possible.
 
 ### `@mui/[email protected]`
 
-- Fix `createTheme` with just color schemes (#43518) @siriwatknp
+- Fix `createTheme()` with just color schemes (#43518) @siriwatknp
 - [Menu,Popover] Fix Backdrop props descriptions (#43503) @Michael-Hutchinson
 - [MenuList] Do not react to an event with modifier key pressed (#43505) @MateuszGroth
 

CHANGELOG.old.md

@@ -5909,7 +5909,7 @@ A big thanks to the 15 contributors who made this release possible. Here are som
 - [docs] Fix en-US format in the Skeleton demo (#33699) @husseinsaad98
 - [docs] Update module reference for `usePagination` (#33675) @fullstackzach
 - [docs] Fix code examples in `styled` API vs `sx` prop docs (#33665) @ZeeshanTamboli
-- [docs][system] Throw an informative error when `theme.vars` is used in `createTheme` and mention this in the theming docs (#33619) @hbjORbj
+- [docs][system] Throw an informative error when `theme.vars` is used in `createTheme()` and mention this in the theming docs (#33619) @hbjORbj
 
 ### Core
 
@@ -10448,7 +10448,7 @@ A big thanks to the 17 contributors who made this release possible. Here are som
    }
   ```
 
-- [theme] Rename `createMuiTheme` to `createTheme` (#25992) @m4theushw
+- [theme] Rename `createMuiTheme()` to `createTheme()` (#25992) @m4theushw
 
   Developers only need one theme in their application. A prefix would suggest a second theme is needed. It's not the case. `createMuiTheme` will be removed in v6.
 

docs/data/material/customization/css-theme-variables/configuration.md

@@ -272,7 +272,7 @@ In the example below, all the components inside the `div` will always be dark:
 
 ## Disabling CSS color scheme
 
-By default, `createTheme` attaches a [CSS `color-scheme` property](https://developer.mozilla.org/en-US/docs/Web/CSS/color-scheme) based on the palette mode.
+By default, `createTheme()` attaches a [CSS `color-scheme` property](https://developer.mozilla.org/en-US/docs/Web/CSS/color-scheme) based on the palette mode.
 You can disable this by setting `disableCssColorScheme` to `true`:
 
 ```js

docs/data/material/customization/dark-mode/dark-mode.md

@@ -4,7 +4,7 @@
 
 ## Dark mode only
 
-You can make your application use the dark theme as the default—regardless of the user's preference—by adding `mode: 'dark'` to the `createTheme` helper:
+You can make your application use the dark theme as the default—regardless of the user's preference—by adding `mode: 'dark'` to the `createTheme()` helper:
 
 ```js
 import { ThemeProvider, createTheme } from '@mui/material/styles';
@@ -26,7 +26,7 @@ export default function App() {
 }
 ```
 
-Adding `mode: 'dark'` to the `createTheme` helper modifies several palette values, as shown in the following demo:
+Adding `mode: 'dark'` to the `createTheme()` helper modifies several palette values, as shown in the following demo:
 
 {{"demo": "DarkTheme.js", "bg": "inline", "hideToolbar": true}}
 

docs/data/material/customization/default-theme/default-theme.md

@@ -3,7 +3,7 @@
 <p class="description">This tree view allows you to explore how the theme object looks like with the default values.</p>
 
 If you want to learn more about how the theme is assembled, take a look at [`material-ui/style/createTheme.ts`](https://github.com/mui/material-ui/blob/-/packages/mui-material/src/styles/createTheme.ts),
-and the related imports which `createTheme` uses.
+and the related imports which `createTheme()` uses.
 
 You can play with the documentation theme object in your browser console,
 as the `theme` variable is exposed on all the documentation pages.

docs/data/material/customization/palette/CustomColor.tsx

@@ -18,7 +18,7 @@ declare module '@mui/material/styles' {
     neutral: Palette['primary'];
   }
 
-  // allow configuration using `createTheme`
+  // allow configuration using `createTheme()`
   interface PaletteOptions {
     neutral?: PaletteOptions['primary'];
   }

docs/data/material/customization/right-to-left/right-to-left.md

@@ -48,7 +48,7 @@ You must apply the `dir` attribute directly to these components if it's not glob
 
 ### 2. Set the theme direction
 
-Use the `createTheme` API to set the theme direction to `'rtl'`:
+Use the `createTheme()` API to set the theme direction to `'rtl'`:
 
 ```js
 import { createTheme } from '@mui/material/styles';

docs/data/material/customization/theming/CustomStyles.tsx

@@ -9,7 +9,7 @@ declare module '@mui/material/styles' {
       danger: string;
     };
   }
-  // allow configuration using `createTheme`
+  // allow configuration using `createTheme()`
   interface ThemeOptions {
     status?: {
       danger?: string;

docs/data/material/customization/theming/theming.md

@@ -67,7 +67,7 @@ declare module '@mui/material/styles' {
       danger: string;
     };
   }
-  // allow configuration using `createTheme`
+  // allow configuration using `createTheme()`
   interface ThemeOptions {
     status?: {
       danger?: string;
@@ -159,8 +159,8 @@ Generate a theme base on the options received. Then, pass it as a prop to [`Them
 2. `...args` (_object[]_): Deep merge the arguments with the about to be returned theme.
 
 :::warning
-Only the first argument (`options`) is processed by the `createTheme` function.
-If you want to actually merge two themes' options and create a new one based on them, you may want to deep merge the two options and provide them as a first argument to the `createTheme` function.
+Only the first argument (`options`) is processed by the `createTheme()` function.
+If you want to actually merge two themes' options and create a new one based on them, you may want to deep merge the two options and provide them as a first argument to the `createTheme()` function.
 :::
 
 ```js

docs/data/material/customization/typography/typography.md

@@ -285,7 +285,7 @@ declare module '@mui/material/styles' {
     poster: React.CSSProperties;
   }
 
-  // allow configuration using `createTheme`
+  // allow configuration using `createTheme()`
   interface TypographyVariantsOptions {
     poster?: React.CSSProperties;
   }