improved error message

apps/files_encryption/files/error.php

@@ -4,7 +4,7 @@ if (!isset($_)) { //also provide standalone error page
 
 	$l = OC_L10N::get('files_encryption');
 
-	$errorMsg = $l->t('Your private key is not valid! Maybe your password was changed from outside. You can update your private key password in your personal settings to regain access to your files');
+	$errorMsg = $l->t('Your private key is not valid! Likely your password was changed outside the ownCloud system (e.g. your corporate directory). You can update your private key password in your personal settings to recover access to your encrypted files.');
 
 	if(isset($_GET['p']) && $_GET['p'] === '1') {
 		header('HTTP/1.0 404 ' . $errorMsg);