Shortened diff output for unified & context diffs
diff --git a/Lib/test/test_doctest.py b/Lib/test/test_doctest.py
index 7884c04..29c3ec2 100644
--- a/Lib/test/test_doctest.py
+++ b/Lib/test/test_doctest.py
@@ -971,9 +971,7 @@
     Line 2, in f
     Failed example:
         print '\n'.join('abcdefg')
-    Differences (unified diff):
-        --- Expected
-        +++ Got
+    Differences (unified diff with -expected +actual):
         @@ -1,8 +1,8 @@
          a
         -B
@@ -998,9 +996,7 @@
     Line 2, in f
     Failed example:
         print '\n'.join('abcdefg')
-    Differences (context diff):
-        *** Expected
-        --- Got
+    Differences (context diff with expected followed by actual):
         ***************
         *** 1,8 ****
           a