Index: wp-admin/plugins.php
===================================================================
--- wp-admin/plugins.php	(revision 30974)
+++ wp-admin/plugins.php	(working copy)
@@ -284,7 +284,7 @@
 					echo '<h2>' . _n( 'Delete Plugin', 'Delete Plugins', $plugins_to_delete ) . '</h2>';
 				?>
 				<?php if ( $have_non_network_plugins && is_network_admin() ) : ?>
-				<div class="error"><p><strong><?php _e( 'Caution:' ); ?></strong> <?php echo _n( 'This plugin may be active on other sites in the network.', 'These plugins may be active on other sites in the network.', $plugins_to_delete ); ?></p></div>
+				<div class="error"><p><strong><?php _e( 'Caution:' ); ?></strong> <?php echo _n( 'This plugin may be active on sites in the network.', 'These plugins may be active on other sites in the network.', $plugins_to_delete ); ?></p></div>
 				<?php endif; ?>
 				<p><?php echo _n( 'You are about to remove the following plugin:', 'You are about to remove the following plugins:', $plugins_to_delete ); ?></p>
 					<ul class="ul-disc">