2 files changed, 4 insertions, 2 deletions
diff --git a/pdfdouble b/pdfdouble
index 38ef116..4de9188 100755
--- a/pdfdouble
+++ b/pdfdouble
@@ -26,4 +26,5 @@ echo '
 1. Print odd. They may be more odd pages than even,
    but not more even than odd.
 2. Flip.
-3. Print even.'
+3. Print even.
+4. Keeping the page order, flip each page in place.'
diff --git a/readme b/readme
index c757275..6764b7a 100644
--- a/readme
+++ b/readme
@@ -3,4 +3,5 @@ This may be worked around is software. To account for the reversal,
 reverse the contents of the PDF. To account for the single-sided
 printing, split the odd and even pages of the PDF. Print the odd
 pages, then flip the output and re-insert those pages to the printer
-(ideally not upside down). Then, print the even pages.
+(ideally not upside down). Then, print the even pages. Finally,
+keeping the page order, flip each page once more, by hand.