diff --git a/nav2_util/include/nav2_util/robot_utils.hpp b/nav2_util/include/nav2_util/robot_utils.hpp
index faca6d301dc..be19046c8f9 100644
--- a/nav2_util/include/nav2_util/robot_utils.hpp
+++ b/nav2_util/include/nav2_util/robot_utils.hpp
@@ -38,7 +38,7 @@ namespace nav2_util
 * @param tf_buffer TF buffer to use for the transformation
 * @param global_frame Frame to transform into
 * @param robot_frame Frame to transform from
-* @param transform_timeout TF Timeout to use for transformation
+* @param transform_timeout How long to wait for the target frame. When value is zero the functions does not block.
 * @return bool Whether it could be transformed successfully
 */
 bool getCurrentPose(
@@ -53,7 +53,7 @@ bool getCurrentPose(
 * @param transformed_pose Output transformation
 * @param tf_buffer TF buffer to use for the transformation
 * @param target_frame Frame to transform into
-* @param transform_timeout TF Timeout to use for transformation
+* @param transform_timeout How long to wait for the target frame. When value is zero the functions does not block.
 * @return bool Whether it could be transformed successfully
 */
 bool transformPoseInTargetFrame(