schemas: Fix wwn pattern

It should be [] instead of ().

diff --git a/docs/schemas/nodedev.rng b/docs/schemas/nodedev.rng
index c07a97d1d6dd1367685b0304c16358adefcdb856..88a4e9ddc2da7f8cbafa0145051fcd1f7588996d 100644 (file)
--- a/docs/schemas/nodedev.rng
+++ b/docs/schemas/nodedev.rng
@@ -247,7 +247,7 @@
 
   <define name='wwn'>
     <data type='string'>
-      <param name='pattern'>(0-9a-fA-F){16}</param>
+      <param name='pattern'>[0-9a-fA-F]{16}</param>
     </data>
   </define>