Update search.asciidoc (#28646)
Update search.asciidoc (#28646)

[DOCS] Corrected typo - singe to single.
vroyer/elassandra,strapdata/elassandra,vroyer/elassandra,strapdata/elassandra,vroyer/elassandra,strapdata/elassandra,strapdata/elassandra,strapdata/elassandra