Quote docstring with r"" to keep '\r\n' in example code.
diff --git a/Lib/telnetlib.py b/Lib/telnetlib.py
index f073050..8a2513b 100644
--- a/Lib/telnetlib.py
+++ b/Lib/telnetlib.py
@@ -1,4 +1,4 @@
-"""TELNET client class.
+r"""TELNET client class.
 
 Based on RFC 854: TELNET Protocol Specification, by J. Postel and
 J. Reynolds