Clarify the documentation of the Not node.

diff --git a/scripts/ir_spec.py b/scripts/ir_spec.py
index 489cd40..2650299 100755 (executable)
--- a/scripts/ir_spec.py
+++ b/scripts/ir_spec.py
@@ -692,9 +692,7 @@ class NoMem(Op):
        singleton     = True
 
 class Not(Unop):
-       """returns the logical complement of a value. Works for integer values too.
-       If the input is false/zero then true/one is returned, otherwise false/zero
-       is returned."""
+       """returns the bitwise complement of a value. Works for boolean values, too."""
        flags = []
 
 class Or(Binop):