abc9_ops: fix comment

diff --git a/passes/techmap/abc9_ops.cc b/passes/techmap/abc9_ops.cc
index b4d4b77d54c1c97445381f1cff83b6296e92e608..2b79e10647037336cae2aaadecfa114cad074410 100644 (file)
--- a/passes/techmap/abc9_ops.cc
+++ b/passes/techmap/abc9_ops.cc
@@ -1439,7 +1439,7 @@ void reintegrate(RTLIL::Module *module, bool dff_mode)
        //   treated as being "free"), in particular driving primary
        //   outputs (real primary outputs, or cells treated as blackboxes)
        //   or driving box inputs.
-       // Instead of just mapping those $_NOT_ gates into 2-input $lut-s
+       // Instead of just mapping those $_NOT_ gates into 1-input $lut-s
        //   at an area and delay cost, see if it is possible to push
        //   this $_NOT_ into the driving LUT, or into all sink LUTs.
        // When this is not possible, (i.e. this signal drives two primary