Rename default theme to light theme

src/components/views/settings/tabs/GeneralUserSettingsTab.js

@@ -145,7 +145,7 @@ export default class GeneralUserSettingsTab extends React.Component {
                 <span className="mx_SettingsTab_subheading">{_t("Theme")}</span>
                 <Field id="theme" label={_t("Theme")} element="select"
                        value={this.state.theme} onChange={this._onThemeChange}>
-                    <option value="light">{_t("Default theme")}</option>
+                    <option value="light">{_t("Light theme")}</option>
                     <option value="dark">{_t("Dark theme")}</option>
                 </Field>
                 <SettingsFlag name="useCompactLayout" level={SettingLevel.ACCOUNT} />

src/i18n/strings/en_EN.json

@@ -522,7 +522,7 @@
     "Phone numbers": "Phone numbers",
     "Language and region": "Language and region",
     "Theme": "Theme",
-    "Default theme": "Default theme",
+    "Light theme": "Light theme",
     "Dark theme": "Dark theme",
     "Account management": "Account management",
     "Deactivating your account is a permanent action - be careful!": "Deactivating your account is a permanent action - be careful!",