Fix docstring
diff --git a/Lib/difflib.py b/Lib/difflib.py
index da3d79b..198114d 100644
--- a/Lib/difflib.py
+++ b/Lib/difflib.py
@@ -1107,7 +1107,7 @@
lines of context. The number of context lines is set by 'n' which
defaults to three.
- By default, the diff control lines (those with *** or ---) are
+ By default, the diff control lines (those with ---, +++, or @@) are
created with a trailing newline. This is helpful so that inputs
created from file.readlines() result in diffs that are suitable for
file.writelines() since both the inputs and outputs have trailing