diff --git a/themes/navy/languages/en.yml b/themes/navy/languages/en.yml
index 8c8694a..965bdc8 100644
--- a/themes/navy/languages/en.yml
+++ b/themes/navy/languages/en.yml
@@ -34,3 +34,4 @@ sidebar:
     Testnet 1: Testnet 1
     Custom Testnet: Custom Testnet
     Guides: Guides
+    Ethereum 1: Ethereum 1