diff --git a/docs/en/related_documents.md b/docs/en/related_documents.md
index 0c503594..296e5a51 100644
--- a/docs/en/related_documents.md
+++ b/docs/en/related_documents.md
@@ -9,3 +9,4 @@
 4. [How to Burn Firmware](en/related_documents/how_to_burn_firmware)
 
 5. [How to Connect WiFi Using Core](en/related_documents/how_to_connect_wifi_using_core)
+