Update doc/release-notes/6.8-release-notes.md

update to step 6

Co-authored-by: Philip Durbin <philip_durbin@harvard.edu>

Author: ofahimIQSS

doc/release-notes/6.8-release-notes.md

@@ -273,7 +273,7 @@ Please remember to update translations via [Dataverse language packs](https://gi
 
 If you have text customizations you can get the latest English files from <https://github.com/IQSS/dataverse/tree/v6.8/src/main/java/propertyFiles>.
 
-6\. Update Solr schema and reindex
+6\. Update Solr schema
 
 Due to changes in the Solr schema (the addition of field "datasetCount"), updating the Solr schema and reindexing is required.