Index: user.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/user/user.module,v
retrieving revision 1.777
diff -u -r1.777 user.module
--- user.module	30 Apr 2007 17:03:29 -0000	1.777
+++ user.module	2 May 2007 12:27:38 -0000
@@ -1432,7 +1432,7 @@
       '#title' => t('Username'),
       '#default_value' => $edit['name'],
       '#maxlength' => USERNAME_MAX_LENGTH,
-      '#description' => t('Your preferred username; punctuation is not allowed except for periods, hyphens, and underscores.'),
+      '#description' => t('Your preferred username; spaces are allowed; punctuation is not allowed except for periods, hyphens, and underscores.'),
       '#required' => TRUE,
     );
   }