diff --git a/docs/search/request/source-filtering-usage.asciidoc b/docs/search/request/source-filtering-usage.asciidoc
index 6ae012f9f98..79d4df9bd45 100644
--- a/docs/search/request/source-filtering-usage.asciidoc
+++ b/docs/search/request/source-filtering-usage.asciidoc
@@ -49,7 +49,7 @@ new SearchRequest<Project>
     Source = new SourceFilter
     {
         Includes = "*",
-        Excludes = Fields<Project>(p => p.Description)
+        Excludes = new Field[] { "Description" }
     }
 }
 ----