diff --git a/model/riscv_sys_control.sail b/model/riscv_sys_control.sail
index bb58b000c..6d5d42a5e 100644
--- a/model/riscv_sys_control.sail
+++ b/model/riscv_sys_control.sail
@@ -368,7 +368,7 @@ function reset_misa() -> unit = {
 // described in the "Reset" section of the privileged architecture specification.
 function reset_sys() -> unit = {
 
-  // "Upon reset, a hard's privilege mode is set to M."
+  // "Upon reset, a hart's privilege mode is set to M."
   cur_privilege = Machine;
 
   // "The mstatus fields MIE and MPRV are reset to 0."