Index: includes/install.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/install.inc,v
retrieving revision 1.35
diff -u -r1.35 install.inc
--- includes/install.inc	27 Mar 2007 05:13:53 -0000	1.35
+++ includes/install.inc	9 Apr 2007 16:01:42 -0000
@@ -339,6 +339,7 @@
       $versions = drupal_get_schema_versions($module);
       drupal_set_installed_schema_version($module, $versions ? max($versions) : SCHEMA_INSTALLED);
       $enable_modules[] = $module;
+      drupal_set_message(st('The %module module has been installed.', array('%module' => $module)));
     }
   }
 
@@ -354,6 +355,7 @@
 function drupal_uninstall_module($module) {
   module_load_install($module);
   module_invoke($module, 'uninstall');
+  drupal_set_message(t('The %module module has been uninstalled.', array('%module' => $module)));
   drupal_set_installed_schema_version($module, SCHEMA_UNINSTALLED);
 }
 
Index: modules/system/system.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.module,v
retrieving revision 1.463
diff -u -r1.463 system.module
--- modules/system/system.module	6 Apr 2007 14:31:51 -0000	1.463
+++ modules/system/system.module	9 Apr 2007 16:01:47 -0000
@@ -1789,7 +1789,7 @@
   foreach (array_filter($form_values['uninstall']) as $module => $value) {
     drupal_uninstall_module($module);
   }
-  drupal_set_message(t('The selected modules have been uninstalled.'));
+
   drupal_goto('admin/build/modules/uninstall');
 }