Fix not closed " and tweaking the text for the LTI property page.

languages/en-GB/website_code/php/properties/properties_library.inc

@@ -237,9 +237,9 @@
 
 	define("PROPERTIES_LIBRARY_TSUGI", "LTI/xAPI");
 
-	define("PROPERTIES_LIBRARY_TSUGI_DESCRIPTION", "<p>Here you can publish your project as an LTI1 tool. To add this project via LTI to a learning environment the auto generated key, secret and URL specific to this project will need to be added to the learning environment. You can change the auto populated values but remember the key must be unique for this project in this Xerte installation. If you are enabling others to add this project via LTI to their learning environment they will need each of these details too.</p><p>You can also choose to track activities through xAPI. If you want to do that you need to specify the end-point, the username and the password of the LRS that is going to receive the xAPI events. If you want to track activities without LTI, the only option you have as a learner identifier is setting a group value. The group will need to be specified in the launch URL (substitute groupname by the groupname you want to used).</p>");
+	define("PROPERTIES_LIBRARY_TSUGI_DESCRIPTION", "<p>Here you can publish your project as an LTI1.1 or LTI1.3 tool. To add this project via LTI to a learning environment the auto generated key, secret and URL specific to this project will need to be added to the learning environment. You can change the auto populated values but remember the key must be unique for this project in this Xerte installation. If you are enabling others to add this project via LTI to their learning environment they will need each of these details too.</p><p>You can also choose to track activities through xAPI. If you want to do that you need to specify the end-point, the username and the password of the LRS that is going to receive the xAPI events. If you want to track activities without LTI, the only option you have as a learner identifier is setting a group value. The group will need to be specified in the launch URL (substitute groupname by the groupname you want to used).</p>");
 
-	define("PROPERTIES_LIBRARY_TSUGI_NOTAVAILABLE_DESCRIPTION", "<p>Here you could publish your project as an LTI1.1 or LTI1.3 tool if you install and configure TSUGI as part of your installation, however TSUGI is not currently installed. See <a href="https://xot.xerte.org.uk/play.php?template_id=88" target="_blank">how to install TSUGI</a> for further details.</p><p>You can also choose to track activities through xAPI. If you want to do so you need to specify the end-point, the username and the password of the LRS that is going to receive the xAPI events. You can use xAPI without Tsugi/LTI installed but in this case the only option you have as a learner identifier is setting a group value. The group will need to be specified in the launch URL (substitute groupname by the groupname you want to be used).</p>");
+	define("PROPERTIES_LIBRARY_TSUGI_NOTAVAILABLE_DESCRIPTION", "<p>Here you could publish your project as an LTI1.1 or LTI1.3 tool if you install and configure TSUGI as part of your installation, however TSUGI is not currently installed. See <a href='https://xot.xerte.org.uk/play.php?template_id=88' target='_blank'>how to install TSUGI</a> for further details.</p><p>You can also choose to track activities through xAPI. If you want to do so you need to specify the end-point, the username and the password of the LRS that is going to receive the xAPI events. You can use xAPI without Tsugi/LTI installed but in this case the only option you have as a learner identifier is setting a group value. The group will need to be specified in the launch URL (substitute groupname by the groupname you want to be used).</p>");
 
 	define("PROPERTIES_LIBRARY_TSUGI_PUBLISH", "Publish project through Tsugi as an LTI1 tool");