clonebundles: reference correct config option
This option is no longer experimental.
--- a/hgext/clonebundles.py Sat Jun 10 14:09:54 2017 -0700
+++ b/hgext/clonebundles.py Sat Jun 10 11:33:57 2017 -0700
@@ -136,7 +136,7 @@
Manifests can contain multiple entries. Assuming metadata is defined, clients
will filter entries from the manifest that they don't support. The remaining
entries are optionally sorted by client preferences
-(``experimental.clonebundleprefers`` config option). The client then attempts
+(``ui.clonebundleprefers`` config option). The client then attempts
to fetch the bundle at the first URL in the remaining list.
**Errors when downloading a bundle will fail the entire clone operation: