diff --git a/config/routing-registry.json b/config/routing-registry.json
index 31852e33..a50b4a1a 100644
--- a/config/routing-registry.json
+++ b/config/routing-registry.json
@@ -46,7 +46,8 @@
       "pathType": "CCIP",
       "bridgeAddress": "0xcacfd227A040002e49e2e01626363071324f820a",
       "bridgeChainId": 138,
-      "label": "CCIPWETH9Bridge"
+      "label": "CCIPWETH9Bridge",
+      "note": "138 to BSC WETH9: native CCIP token-delivery lane only. Chain 138 CCIPWETH9Bridge must have destinations(BSC_SELECTOR) -> CCIPWETH9_BRIDGE_BSC (not CCIP_RELAY_BRIDGE_BSC). See docs/11-references/CCIP_138_DESTINATION_RECEIVER_BY_CHAIN_AND_TOKEN.md section 1.1."
     },
     {
       "fromChain": 56,
@@ -235,7 +236,8 @@
       "pathType": "CCIP",
       "bridgeAddress": "0xe0E93247376aa097dB308B92e6Ba36bA015535D0",
       "bridgeChainId": 138,
-      "label": "CCIPWETH10Bridge"
+      "label": "CCIPWETH10Bridge",
+      "note": "138 to BSC WETH10: native CCIP token-delivery lane only. Chain 138 CCIPWETH10Bridge must have destinations(BSC_SELECTOR) -> CCIPWETH10_BRIDGE_BSC. Relay-backed BSC WETH is deprecated."
     },
     {
       "fromChain": 138,