diff --git a/himbaechel/uarch/gatemate/gatemate.cc b/himbaechel/uarch/gatemate/gatemate.cc
index 219cb71e..5d04336d 100644
--- a/himbaechel/uarch/gatemate/gatemate.cc
+++ b/himbaechel/uarch/gatemate/gatemate.cc
@@ -40,10 +40,10 @@ po::options_description GateMateImpl::getUArchOptions()
     specific.add_options()("out", po::value<std::string>(), "textual configuration bitstream output file");
     specific.add_options()("ccf", po::value<std::string>(), "name of constraints file");
     specific.add_options()("allow-unconstrained", "allow unconstrained IOs");
-    specific.add_options()("fpga_mode", po::value<std::string>(), "performance mode (1:lowpower, 2:economy, 3:speed)");
-    specific.add_options()("time_mode", po::value<std::string>(), "timing mode (1:best, 2:typical, 3:worst)");
+    specific.add_options()("fpga_mode", po::value<std::string>(), "performance mode (1:lowpower, 2:economy, 3:speed (default))");
+    specific.add_options()("time_mode", po::value<std::string>(), "timing mode (1:best, 2:typical, 3:worst (default))");
     specific.add_options()("strategy", po::value<std::string>(),
-                           "multi-die clock placement strategy (mirror, full or clk1)");
+                           "multi-die clock placement strategy (mirror (default), full or clk1)");
     specific.add_options()("force_die", po::value<std::string>(), "force specific die (example 1A,1B...)");
     specific.add_options()("clk-cp", "use CP lines for CLK and EN");
     specific.add_options()("no-cpe-cp", "do not use CP lines pass through CPE");