documentation update

[model-checker.git] / main.cc

diff --git a/main.cc b/main.cc
index 693e93c979244ed9061693be03df9f6029cda6d8..d69e9e06e219b994a10f7ed398520ad5bd32a818 100644 (file)
--- a/main.cc
+++ b/main.cc
@@ -47,7 +47,8 @@ static void print_usage(struct model_params *params)
 "-f                    Specify a fairness window in which actions that are\n"
 "                      enabled sufficiently many times should receive\n"
 "                      priority for execution. Default: %d\n"
-"-y                    Turn on yield support. Default: %d\n"
+"-y                    Turn on CHESS yield-based fairness support.\n"
+"                      Default: %d\n"
 "-e                    Enabled count. Default: %d\n"
 "-b                    Upper length bound. Default: %d\n"
 "-v                    Print verbose execution information.\n"