[hackers] [libzahl] Manual: jargon fix || Mattias Andrée

[git]

commit 83838e485188e98eaef6893e2ca6d6d520b6fcdd
Author:     Mattias Andrée <maand...@kth.se>
AuthorDate: Sun Jun 19 03:32:51 2016 +0200
Commit:     Mattias Andrée <maand...@kth.se>
CommitDate: Sun Jun 19 03:32:59 2016 +0200

    Manual: jargon fix
    
    Signed-off-by: Mattias Andrée <maand...@kth.se>

diff --git a/doc/bit-operations.tex b/doc/bit-operations.tex
index f7901b0..1a1494a 100644
--- a/doc/bit-operations.tex
+++ b/doc/bit-operations.tex
@@ -307,7 +307,7 @@ called function may be required when moving
 between big integer libraries. Consequently,
 {\tt znot} does not flip bits that are higher
 than the highest set bit, which means that
-{\tt znot} is nilpotent rather than idempotent.
+{\tt znot} is nilpotent rather than self dual.
 
 Below is a list of the value of {\tt a} when
 {\tt znot(a, a)} is called repeatedly.