Index: wp-admin/edit-comments.php
===================================================================
--- wp-admin/edit-comments.php	(revision 44566)
+++ wp-admin/edit-comments.php	(working copy)
@@ -297,7 +297,7 @@
 			}
 		}
 
-		echo '<div id="moderated" class="updated notice is-dismissible"><p>' . implode( "<br/>\n", $messages ) . '</p></div>';
+		echo '<div id="moderated" class="updated notice is-dismissible"><p>' . implode( "<br />\n", $messages ) . '</p></div>';
 	}
 }
 ?>
Index: wp-admin/includes/class-wp-ms-users-list-table.php
===================================================================
--- wp-admin/includes/class-wp-ms-users-list-table.php	(revision 44566)
+++ wp-admin/includes/class-wp-ms-users-list-table.php	(working copy)
@@ -369,7 +369,7 @@
 				$sep = ( $i == $action_count ) ? '' : ' | ';
 				echo "<span class='$action'>$link$sep</span>";
 			}
-			echo '</small></span><br/>';
+			echo '</small></span><br />';
 		}
 	}
 
Index: wp-admin/network/settings.php
===================================================================
--- wp-admin/network/settings.php	(revision 44566)
+++ wp-admin/network/settings.php	(working copy)
@@ -421,7 +421,7 @@
 				$fieldset_end = '</fieldset>';
 			}
 			foreach ( (array) $menu_items as $key => $val ) {
-				echo "<label><input type='checkbox' name='menu_items[" . $key . "]' value='1'" . ( isset( $menu_perms[$key] ) ? checked( $menu_perms[$key], '1', false ) : '' ) . " /> " . esc_html( $val ) . "</label><br/>";
+				echo "<label><input type='checkbox' name='menu_items[" . $key . "]' value='1'" . ( isset( $menu_perms[$key] ) ? checked( $menu_perms[$key], '1', false ) : '' ) . " /> " . esc_html( $val ) . "</label><br />";
 			}
 			echo $fieldset_end;
 			?>