diff --git a/sys/dev/ixgbe/if_ix.c b/sys/dev/ixgbe/if_ix.c
index b40a9fe7e7e..add588fb72a 100644
--- a/sys/dev/ixgbe/if_ix.c
+++ b/sys/dev/ixgbe/if_ix.c
@@ -3868,7 +3868,7 @@ ixgbe_if_stop(if_ctx_t ctx)
  * ixgbe_link_speed_to_str - Convert link speed to string
  *
  *   Helper function to convert link speed constants to human-readable
- *   string representations in Gbps.
+ *   string representations in conventional Gbps or Mbps.
  ************************************************************************/
 static const char *
 ixgbe_link_speed_to_str(u32 link_speed)