Updated help text for synth_greenpak4

diff --git a/techlibs/greenpak4/synth_greenpak4.cc b/techlibs/greenpak4/synth_greenpak4.cc
index 10e2a14983e793648dd046d5134163cdd88d1655..dac256822ef4477d1df9c77a3596031ac9110104 100644 (file)
--- a/techlibs/greenpak4/synth_greenpak4.cc
+++ b/techlibs/greenpak4/synth_greenpak4.cc
@@ -36,6 +36,8 @@ struct SynthGreenPAK4Pass : public ScriptPass
                log("    synth_greenpak4 [options]\n");
                log("\n");
                log("This command runs synthesis for GreenPAK4 FPGAs. This work is experimental.\n");
+               log("It is intended to be used with https://github.com/azonenberg/openfpga as the\n");
+               log("place-and-route.\n");
                log("\n");
                log("    -top <module>\n");
                log("        use the specified module as top module (default='top')\n");