diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000000..2f76cd09da
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,17 @@
+* text=auto eol=lf
+
+*.png binary
+*.jpg binary
+*.jpeg binary
+*.gif binary
+*.webp binary
+*.ico binary
+
+*.svg text
+*.md text
+*.json text
+*.yml text
+*.yaml text
+*.ts text
+*.tsx text
+*.js text
diff --git a/templates/onchainkit-nextjs/.template.env b/templates/onchainkit-nextjs/.template.env
index 56c8b23ebb..e83ad8bcbd 100644
--- a/templates/onchainkit-nextjs/.template.env
+++ b/templates/onchainkit-nextjs/.template.env
@@ -1,2 +1,8 @@
+# Project name
 NEXT_PUBLIC_PROJECT_NAME="template-next-basic"
+
+# OnchainKit API Key
 NEXT_PUBLIC_ONCHAINKIT_API_KEY=""
+
+# Base Sepolia RPC URL
+NEXT_PUBLIC_RPC_URL="https://sepolia.base.org"