diff -rupN suggestedterms/suggestedterms.install suggestedterms_new/suggestedterms.install
--- suggestedterms/suggestedterms.install	2008-10-10 04:16:13.000000000 +1100
+++ suggestedterms.install	2009-10-26 14:24:48.000000000 +1100
@@ -1,8 +1,24 @@
 <?php
 /* $Id: suggestedterms.install,v 1.2 2008/10/09 17:16:13 crell Exp $ */
 
+/**
+ * @file
+ * Install, update and uninstall functions for the suggestedterms module.
+ */
+
+/**
+ * Implementation of hook_install().
+ */
 function suggestedterms_install() {
   // Always make sure this module runs after taxonomy does.
-  $taxonomy_weight = db_result(db_query("SELECT weight FROM {system} WHERE name='%s'", 'taxonomy'));
-  db_query("UPDATE {system} SET weight=%d WHERE name='%s'", $taxonomy_weight + 1, 'suggestedterms');
+  $taxonomy_weight = db_result(db_query("SELECT weight FROM {system} WHERE name = '%s'", 'taxonomy'));
+  db_query("UPDATE {system} SET weight = %d WHERE name = '%s'", $taxonomy_weight + 1, 'suggestedterms');
+}
+
+/**
+ * Implementation of hook_uninstall().
+ */
+function suggestedterms_uninstall() {
+  variable_del('suggestedterms_maximum_displayed');
+  variable_del('suggestedterms_sort_order');
 }