diff --git a/README.md b/README.md
index 32252b44..24fc407f 100644
--- a/README.md
+++ b/README.md
@@ -96,7 +96,7 @@ To use `rtabmap_ros` on Jetson, you can follow the instructions above if you don
     * `sudo apt-get install ros-kinetic-ros-base ros-kinetic-image-transport ros-kinetic-tf ros-kinetic-tf-conversions ros-kinetic-eigen-conversions ros-kinetic-laser-geometry ros-kinetic-pcl-conversions ros-kinetic-pcl-ros ros-kinetic-move-base-msgs ros-kinetic-rviz ros-kinetic-octomap-ros ros-kinetic-move-base libhdf5-openmpi-dev libsuitesparse-dev`
 4. Do step 1.6 from http://wiki.ros.org/kinetic/Installation/Ubuntu
 5. [Create your catkin workspace](http://wiki.ros.org/ROS/Tutorials/InstallingandConfiguringROSEnvironment#Create_a_ROS_Workspace)
-6. *Optional:* Install g2o and/or GTSAM dependencies as above (increase visual odometry accuracy and graph optimization).
+6. *Optional:* Install g2o and/or GTSAM dependencies as above (increase visual odometry and graph optimization accuracy).
 7. To avoid [libGL undefined errors](https://devtalk.nvidia.com/default/topic/1007290/jetson-tx2/building-opencv-with-opengl-support-/post/5141945/#5141945):
      ```
      $ cd /usr/lib/aarch64-linux-gnu/