diff --git a/backend/src/index.ts b/backend/src/index.ts
index 38dd3d7..b3f4dd9 100644
--- a/backend/src/index.ts
+++ b/backend/src/index.ts
@@ -62,7 +62,7 @@ function buildLoggerOptions(level: string) {
 		level,
 		timestamp: () => `,"time":"${new Date().toISOString()}"`,
 	};
-	// Human readable logs in development, structured JSON in production/test
+	// Human-readable logs in development, structured JSON in production/test
 	if (process.env.NODE_ENV !== "production" && process.env.NODE_ENV !== "test") {
 		return {
 			...base,
diff --git a/frontend/nginx.conf b/frontend/nginx.conf
index 57f74f9..4d0e9e3 100644
--- a/frontend/nginx.conf
+++ b/frontend/nginx.conf
@@ -1,3 +1,6 @@
+# Must be defined at http-level (outside server block)
+log_format timed '$time_iso8601 $status $request_method $request_uri ($request_time s)';
+
 server {
     # Port 8080 for unprivileged nginx (non-root)
     listen 8080;
@@ -6,9 +9,6 @@ server {
     root /usr/share/nginx/html;
     index index.html;
 
-    # Custom log format with ISO timestamps
-    log_format timed '$time_iso8601 $status $request_method $request_uri ($request_time s)';
-
     # Access log control (suppressed when LOG_LEVEL is warn or higher)
     access_log ${NGINX_ACCESS_LOG};
 
diff --git a/frontend/src/components/Auth.tsx b/frontend/src/components/Auth.tsx
index d0cd2a3..62153d0 100644
--- a/frontend/src/components/Auth.tsx
+++ b/frontend/src/components/Auth.tsx
@@ -433,7 +433,7 @@ export function LoginForm({
 					</div>
 				)}
 
-				{/* Local login form: only show if form login is enabled */}
+				{/* Local login form - only show if form login is enabled */}
 				{authState?.formLoginEnabled && (
 					<form onSubmit={handleSubmit} className="auth-form">
 						{error && <div className="auth-error">{error}</div>}