diff --git a/changelog.d/16758.misc b/changelog.d/16758.misc
new file mode 100644
index 0000000000..eea2d0869c
--- /dev/null
+++ b/changelog.d/16758.misc
@@ -0,0 +1 @@
+Fix sample config doc CI.
diff --git a/docs/.sample_config_header.yaml b/docs/.sample_config_header.yaml
index adba60a4fa..acbaad8231 100644
--- a/docs/.sample_config_header.yaml
+++ b/docs/.sample_config_header.yaml
@@ -9,3 +9,4 @@
 # https://element-hq.github.io/synapse/latest/setup/installation.html.
 #
 ################################################################################
+