diff --git a/src/modules/commander/commander_params.c b/src/modules/commander/commander_params.c
index ba711eb908..f3a0d0f99e 100644
--- a/src/modules/commander/commander_params.c
+++ b/src/modules/commander/commander_params.c
@@ -744,7 +744,7 @@ PARAM_DEFINE_FLOAT(COM_POS_FS_EPV, 10);
  *
  * This is the horizontal velocity error (EVH) threshold that will trigger a failsafe. The default is appropriate for a multicopter. Can be increased for a fixed-wing.
  *
- * @unit m
+ * @unit m/s
  * @group Commander
  */
 PARAM_DEFINE_FLOAT(COM_VEL_FS_EVH, 1);