abc9_ops: update comment

diff --git a/passes/techmap/abc9_ops.cc b/passes/techmap/abc9_ops.cc
index 10c980f733da8ff0d334b6adb1440b0f0726c690..8d55b18a08f5373820f5cee26489eb5ae538f6c8 100644 (file)
--- a/passes/techmap/abc9_ops.cc
+++ b/passes/techmap/abc9_ops.cc
@@ -547,7 +547,7 @@ void mark_scc(RTLIL::Module *module)
        // For every unique SCC found, (arbitrarily) find the first
        //   cell in the component, and replace its output connections
        //   with a new wire driven by the old connection but with a
-       //   special (* abc9_scc *) attribute set (which is used by
+       //   special (* abc9_keep *) attribute set (which is used by
        //   write_xaiger to break this wire into PI and POs)
        pool<RTLIL::Const> ids_seen;
        for (auto cell : module->cells()) {