Docs: Update filtered-query.asciidoc

Fix mistyping

Closes #8167

docs/reference/query-dsl/queries/filtered-query.asciidoc

@@ -71,7 +71,7 @@ curl -XGET localhost:9200/_search -d '
 }
 '
 --------------------------------------------------
-<1> No `query` has been specfied, so this request applies just the filter,
+<1> No `query` has been specified, so this request applies just the filter,
    returning all documents created since yesterday.
 
 ==== Multiple filters