diff --git a/include/laser_geometry/laser_geometry.h b/include/laser_geometry/laser_geometry.h
index 9d60a88..eeae28f 100644
--- a/include/laser_geometry/laser_geometry.h
+++ b/include/laser_geometry/laser_geometry.h
@@ -115,7 +115,8 @@ namespace laser_geometry
        * \param scan_in The input laser scan
        * \param cloud_out The output point cloud
        * \param range_cutoff An additional range cutoff which can be
-       *   applied which is more limiting than max_range in the scan.
+       *   applied to discard everything above it.
+       *   Defaults to -1.0, which means the laser scan max range.
        * \param channel_option An OR'd set of channels to include.
        *   Options include: channel_option::Default,
        *   channel_option::Intensity, channel_option::Index,
@@ -138,7 +139,8 @@ namespace laser_geometry
        * \param scan_in The input laser scan
        * \param cloud_out The output point cloud
        * \param range_cutoff An additional range cutoff which can be
-       *   applied which is more limiting than max_range in the scan.
+       *   applied to discard everything above it.
+       *   Defaults to -1.0, which means the laser scan max range.
        * \param channel_option An OR'd set of channels to include.
        *   Options include: channel_option::Default,
        *   channel_option::Intensity, channel_option::Index,
@@ -168,7 +170,7 @@ namespace laser_geometry
        * \param tf a tf::Transformer object to use to perform the
        *   transform
        * \param range_cutoff An additional range cutoff which can be
-       *   applied which is more limiting than max_range in the scan.
+       *   applied to discard everything above it.
        * \param channel_option An OR'd set of channels to include.
        *   Options include: channel_option::Default,
        *   channel_option::Intensity, channel_option::Index,
@@ -227,7 +229,8 @@ namespace laser_geometry
        * \param tf a tf::Transformer object to use to perform the
        *   transform
        * \param range_cutoff An additional range cutoff which can be
-       *   applied which is more limiting than max_range in the scan.
+       *   applied to discard everything above it.
+       *   Defaults to -1.0, which means the laser scan max range.
        * \param channel_option An OR'd set of channels to include.
        *   Options include: channel_option::Default,
        *   channel_option::Intensity, channel_option::Index,