BN_mod_exp_mont_word entry:

Don't give performance gain estimates that appear to be more precise
than they really are, especially when they are wrong
(2/(1/1.15 + 1) = ca. 1.0698).

CHANGES

@@ -24,7 +24,7 @@
      [Richard Levitte]
 
   *) New function BN_mod_exp_mont_word for small bases (roughly 15-20%
-     faster than BN_mod_exp_mont, i.e. 7.5-10% for a full DH exchange).
+     faster than BN_mod_exp_mont, i.e. 7-10% for a full DH exchange).
      [Bodo Moeller]
 
   *) CygWin32 support.