updated README

README.md

@@ -11,7 +11,7 @@ LimeSurvey authentication plugin for authenticating users against an SAML Identi
 - Paste it inside **limesurvey/plugins/AuthSAML** folder
 - Configure the plugin from the **Plugin Manager**
 - Go to **Admin > Configuration > Plugin Manager** or **https:/example.com/index.php/admin/pluginmanager/sa/index** and **Enable** the plugin
-- Place your own custom **saml_logo.gif** image at **imesurvey/assets/images**. It will be displayed as the login button
+- Place your own custom **saml_logo.png** image at **imesurvey/assets/images**. It will be displayed as the login button
 
 ## Configuration options
 - **Path to the SimpleSAMLphp folder**: path to the simpleSAMLphp installation
@@ -24,6 +24,7 @@ set this to **true** so the code can handle session conficts between simpleSAMLp
 - **SAML attributed used as name**: the attribute returned from the IdP that will be the users human friendly name
 - **Auto create users**: check if the user exists in the local database and if not the plugin creates the user from the SAML metadata
 - **Auto update users**: check if IdP has different attribute values for email and name and update them on LimeSurvey
+- **SAML login Text**: Text show on the Login page
 - **Force SAML login**: if this is set to true the plugin will force the login path to use only simpleSAMLphp
 - **Authtype base**: LimeSurvey internal configuration options, use it only if you know what you are doing. Configures where the users data are stored.
 - **Storage base**: LimeSurvey internal configuration options, use it only if you know what you are doing. Configures where the plugin settings are stored.