diff --git a/docs/static/pipeline-pipeline-config.asciidoc b/docs/static/pipeline-pipeline-config.asciidoc
index 9148fc68e..aa591fa9e 100644
--- a/docs/static/pipeline-pipeline-config.asciidoc
+++ b/docs/static/pipeline-pipeline-config.asciidoc
@@ -58,6 +58,9 @@ You can use the `pipeline` input and output to better organize code, streamline
 * <<forked-path-pattern>>
 * <<collector-pattern>>
 
+NOTE: These examples use `config.string` to illustrate the flows.
+You can also use configuration files for pipeline-to-pipeline communication.
+
 [[distributor-pattern]]
 ===== The distributor pattern