diff --git a/msg/versioned/ActuatorMotors.msg b/msg/versioned/ActuatorMotors.msg
index 42c314e336..76457f1315 100644
--- a/msg/versioned/ActuatorMotors.msg
+++ b/msg/versioned/ActuatorMotors.msg
@@ -5,8 +5,8 @@
 
 uint32 MESSAGE_VERSION = 0
 
-uint64 timestamp # Time since system start [us]
-uint64 timestamp_sample # Sampling timestamp of the data this control response is based on [us]
+uint64 timestamp # [us] Time since system start.
+uint64 timestamp_sample # [us] Sampling timestamp of the data this control response is based on.
 
 uint16 reversible_flags # Bitset indicating which motors are configured to be reversible