diff --git a/docs/website/docs/examples/chess_production/code/.dlt/secrets.toml b/docs/website/docs/examples/chess_production/code/.dlt/secrets.toml
index c714ff1f9c..978f2c1bec 100644
--- a/docs/website/docs/examples/chess_production/code/.dlt/secrets.toml
+++ b/docs/website/docs/examples/chess_production/code/.dlt/secrets.toml
@@ -1,2 +1,4 @@
+# @@@DLT_SNIPPET_START example
 [runtime]
 slack_incoming_hook=""
+# @@@DLT_SNIPPET_END example
diff --git a/docs/website/docs/examples/chess_production/code/chess-snippets.py b/docs/website/docs/examples/chess_production/code/chess-snippets.py
index 215477ec0a..b4463bacf6 100644
--- a/docs/website/docs/examples/chess_production/code/chess-snippets.py
+++ b/docs/website/docs/examples/chess_production/code/chess-snippets.py
@@ -5,6 +5,7 @@
 
 @skipifgithubfork
 def incremental_snippet() -> None:
+    # @@@DLT_SNIPPET_START example
     # @@@DLT_SNIPPET_START markdown_source
     import threading
     from typing import Any, Iterator
@@ -179,6 +180,7 @@ def load_data_with_retry(data):
         else:
             print(f"Players table contains {count} rows")
     # @@@DLT_SNIPPET_END markdown_norm_info
+    # @@@DLT_SNIPPET_END example
 
     # check that stuff was loaded
     row_counts = pipeline.last_trace.last_normalize_info.row_counts