Index: wp-admin/install.php
===================================================================
--- wp-admin/install.php	(revision 11026)
+++ wp-admin/install.php	(working copy)
@@ -132,7 +132,10 @@
 	<tr>
 		<th><?php _e('Password'); ?></th>
 		<td><code><?php echo $password; ?></code><br />
-			<?php echo '<p>'.__('<strong><em>Note that password</em></strong> carefully! It is a <em>random</em> password that was generated just for you.').'</p>'; ?></td>
+			<?php
+			if ( strpos($password, ' ') === false )
+				echo '<p>'.__('<strong><em>Note that password</em></strong> carefully! It is a <em>random</em> password that was generated just for you.').'</p>';
+			?></td>
 	</tr>
 </table>
 
