diff --git a/toolflow/src/main/scala/com/minres/tgc/hammer/tasks/longnail/SchedulingParameters.scala b/toolflow/src/main/scala/com/minres/tgc/hammer/tasks/longnail/SchedulingParameters.scala
index 0c03a1f..0d0aa07 100644
--- a/toolflow/src/main/scala/com/minres/tgc/hammer/tasks/longnail/SchedulingParameters.scala
+++ b/toolflow/src/main/scala/com/minres/tgc/hammer/tasks/longnail/SchedulingParameters.scala
@@ -29,6 +29,6 @@ class SchedulingParameters extends OptionGroup {
   }
   val schedule = add(new ScheduleOptions)
 
-  val maxLoopUnrollFactor = value[Int](cliName = "--maxLoopUnrollFactor", toolName = "max-unroll-factor", default = () => Some(16), descr = "Longnail max loop unroll factor")
-  val schedulingSolutionFile = value[Path](cliName = "--schedulingMLIR", toolName = "o", default = () => Some(OUT_DIR / "scheduling_solutions.mlir"), descr = "Output file with different scheduling solutions")
+  val maxLoopUnrollFactor = value[Int](cliName = "maxLoopUnrollFactor", toolName = "--max-unroll-factor", default = () => Some(16), descr = "Longnail max loop unroll factor")
+  val schedulingSolutionFile = value[Path](cliName = "schedulingMLIR", toolName = "--o", default = () => Some(OUT_DIR / "scheduling_solutions.mlir"), descr = "Output file with different scheduling solutions")
 }