l10n: Spelling unification

Spelling unification in Transifex.

Signed-off-by: Valdnet <47037905+Valdnet@users.noreply.github.com>

apps/provisioning_api/lib/Controller/AppConfigController.php

@@ -140,7 +140,7 @@ class AppConfigController extends OCSController {
 		}
 
 		if (!$this->isAllowedToChangedKey($user, $app, $key)) {
-			throw new NotAdminException($this->l10n->t('Logged in user must be an admin or have authorization to edit this setting.'));
+			throw new NotAdminException($this->l10n->t('Logged in user must be an administrator or have authorization to edit this setting.'));
 		}
 
 		try {