Fixed unicode symbol sphinx meta file

Change-Id: I1597ec112ec210a5d2f48f31423a51c6ae9b44c3
diff --git a/ceph/meta/sphinx.yml b/ceph/meta/sphinx.yml
index 874f4eb..2d8d168 100644
--- a/ceph/meta/sphinx.yml
+++ b/ceph/meta/sphinx.yml
@@ -1,7 +1,7 @@
 doc:
   name: Ceph
   description: |
-    Ceph provides extraordinary data storage scalability—thousands of client
+    Ceph provides extraordinary data storage scalability-thousands of client
     hosts or KVMs accessing petabytes to exabytes of data.
   role:
   {%- if pillar.ceph.osd is defined %}