diff --git a/course/lib.php b/course/lib.php
index 4c1866bc75a..6048ed7c878 100644
--- a/course/lib.php
+++ b/course/lib.php
@@ -154,7 +154,7 @@ function print_log($course, $user=0, $date=0, $order="ORDER BY l.time ASC") {
     foreach ($logs as $log) {
 
         if ($ld = get_record_sql("SELECT * FROM log_display WHERE module='$log->module' AND action='$log->action'")) {
-            $log->info = get_field($ld->table, $ld->field, "id", $log->info);
+            $log->info = get_field($ld->mtable, $ld->field, "id", $log->info);
         }
 
         echo "<TR>";
@@ -182,7 +182,7 @@ function print_all_courses($cat=1, $style="full", $maxcount=999) {
             $count = 0;
             $icon  = "<IMG SRC=\"pix/i/course.gif\" HEIGHT=16 WIDTH=16 ALT=\"Course\">";
             foreach ($courses as $course) {
-                $moddata[]="<A HREF=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->fullname</A>";
+                $moddata[]="<A TITLE=\"$course->shortname\" HREF=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->fullname</A>";
                 $modicon[]=$icon;
                 if ($count++ >= $maxcount) {
                     break;
diff --git a/lib/db/mysql.sql b/lib/db/mysql.sql
index c8728dc693c..4bd64d750a7 100644
--- a/lib/db/mysql.sql
+++ b/lib/db/mysql.sql
@@ -117,9 +117,9 @@ CREATE TABLE `log` (
 CREATE TABLE `log_display` (
   `module` varchar(20) NOT NULL default '',
   `action` varchar(20) NOT NULL default '',
-  `table` varchar(20) NOT NULL default '',
+  `mtable` varchar(20) NOT NULL default '',
   `field` varchar(40) NOT NULL default ''
-) TYPE=MyISAM COMMENT='For a particular module/action, specifies a table field.';
+) TYPE=MyISAM COMMENT='For a particular module/action, specifies a moodle table/field.';
 # --------------------------------------------------------
 
 #
@@ -213,7 +213,7 @@ CREATE TABLE `user_teachers` (
   `id` int(10) unsigned NOT NULL auto_increment,
   `user` int(10) unsigned NOT NULL default '0',
   `course` int(10) unsigned NOT NULL default '0',
-  `authority` varchar(10) default NULL,
+  `authority` tinyint(3) NOT NULL default '3',
   PRIMARY KEY  (`id`),
   UNIQUE KEY `id` (`id`)
 ) TYPE=MyISAM COMMENT='One record per teacher per course';
diff --git a/version.php b/version.php
index 5fadb361eca..9d58e37f17a 100644
--- a/version.php
+++ b/version.php
@@ -17,7 +17,7 @@
 // If there's something it cannot do itself, it 
 // will tell you what you need to do.
 
-$version = 2002080200;
+$version = 2002080300;
 
 function upgrade_moodle($oldversion=0) {
 
@@ -42,6 +42,11 @@ function upgrade_moodle($oldversion=0) {
         execute_sql(" ALTER TABLE `modules` DROP `search`  ");
     }
 
+    if ($oldversion < 2002080300) {
+        execute_sql("  ALTER TABLE `log_display` CHANGE `table` `mtable` VARCHAR( 20 ) NOT NULL   ");
+        execute_sql("  ALTER TABLE `user_teachers` CHANGE `authority` `authority` TINYINT( 3 ) DEFAULT '3' NOT NULL   ");
+    }
+
     return true;
 }