diff --git a/oauthenticator/oauth2.py b/oauthenticator/oauth2.py
index fb630707..206cb55a 100644
--- a/oauthenticator/oauth2.py
+++ b/oauthenticator/oauth2.py
@@ -397,10 +397,7 @@ def _validate_server_cert_default(self):
 
         For example, to use a HTTP proxy for all requests:
 
-        c.OAuthenticator.http_request_kwargs = {
-            "proxy_host": "proxy.example.com",
-            "proxy_port": 8080,
-        }
+        `c.OAuthenticator.http_request_kwargs = {"proxy_host": "proxy.example.com", "proxy_port": 8080}`
         """,
         config=True,
     )