diff --git a/mitmproxy/connection.py b/mitmproxy/connection.py
index 7152244c2..5fc5066cf 100644
--- a/mitmproxy/connection.py
+++ b/mitmproxy/connection.py
@@ -272,8 +272,8 @@ class Server(Connection):
 
     timestamp_start: Optional[float] = None
     """
-    *Timestamp:* Connection establishment started. 
-    
+    *Timestamp:* Connection establishment started.
+
     For IP addresses, this corresponds to sending a TCP SYN; for domains, this corresponds to starting a DNS lookup.
     """
     timestamp_tcp_setup: Optional[float] = None