#11555: update doc for 3.x change to as_string mangle_from default.
diff --git a/Lib/email/message.py b/Lib/email/message.py
index 9ef2363..d30f109 100644
--- a/Lib/email/message.py
+++ b/Lib/email/message.py
@@ -136,8 +136,7 @@
header.
This is a convenience method and may not generate the message exactly
- as you intend because by default it mangles lines that begin with
- "From ". For more flexibility, use the flatten() method of a
+ as you intend. For more flexibility, use the flatten() method of a
Generator instance.
"""
from email.generator import Generator