[Docs] Correct typo in multi-match-query.asciidoc

Author: Christoph Büscher

docs/reference/query-dsl/multi-match-query.asciidoc

@@ -64,7 +64,7 @@ are eligible to term queries and filters the metadata fields. All extracted fiel
 combined to build a query.
 
 WARNING: If you have a huge number of fields, the above auto expansion might lead to
-querying a large number of felds which might cause performance issues. In future versions
+querying a large number of fields which might cause performance issues. In future versions
 (stating in 7.0) there will be a limit of no more than 1024 fields that can be queried at once.
 
 [[multi-match-types]]