saml:sp: Note that SAML 1.1 SPs must specify the TARGET parameter.

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@2881 44740490-163a-0410-bde0-09ae8108e29a

modules/saml/docs/sp.txt

@@ -319,6 +319,7 @@ Options
 :   The page the user should be redirected to after an IdP initiated SSO.
 
 :   *Note*: SAML 2 specific.
+    For SAML 1.1 SPs, you must specify the `TARGET` in the authentication response.
 
 `url`
 :   An URL to your service provider. Will be added as an OrganizationURL-element in the metadata.