bug #989672: pdb.doc and the help messages for the help_d and help_u methods
of the pdb.Pdb class gives have been corrected. d(own) goes to a newer frame,
u(p) to an older frame, not the other way around.
diff --git a/Lib/pdb.doc b/Lib/pdb.doc
index 3beb0c2..81df323 100644
--- a/Lib/pdb.doc
+++ b/Lib/pdb.doc
@@ -70,11 +70,11 @@
 
 d(own)
         Move the current frame one level down in the stack trace
-        (to an older frame).
+        (to a newer frame).
 
 u(p)
         Move the current frame one level up in the stack trace
-        (to a newer frame).
+        (to an older frame).
 
 b(reak) [ ([filename:]lineno | function) [, condition] ]
         With a filename:line number argument, set a break there.  If