diff --git a/MotionTrackingJava/src/com/projecttango/experiments/javamotiontracking/MTGLRenderer.java b/MotionTrackingJava/src/com/projecttango/experiments/javamotiontracking/MTGLRenderer.java
index 078a86c3..cfd21f5e 100644
--- a/MotionTrackingJava/src/com/projecttango/experiments/javamotiontracking/MTGLRenderer.java
+++ b/MotionTrackingJava/src/com/projecttango/experiments/javamotiontracking/MTGLRenderer.java
@@ -30,7 +30,7 @@
 import com.projecttango.tangoutils.renderables.Trajectory;
 
 /**
- * OpenGL rendering class for the Motion Tracking API sample. This class managers the objects
+ * OpenGL rendering class for the Motion Tracking API sample. This class manages the objects
  * visible in the OpenGL view which are the {@link CameraFrustum}, {@link CameraFrustumAndAxis},
  * {@link Trajectory}, and the {@link Grid}. These objects are implemented in the TangoUtils library
  * in the package {@link com.projecttango.tangoutils.renderables}.
diff --git a/PointCloudJava/src/com/projecttango/experiments/javapointcloud/PCRenderer.java b/PointCloudJava/src/com/projecttango/experiments/javapointcloud/PCRenderer.java
index 2ffa1a4a..a3930278 100644
--- a/PointCloudJava/src/com/projecttango/experiments/javapointcloud/PCRenderer.java
+++ b/PointCloudJava/src/com/projecttango/experiments/javapointcloud/PCRenderer.java
@@ -30,7 +30,7 @@
 import com.projecttango.tangoutils.renderables.PointCloud;
 
 /**
- * OpenGL rendering class for the Motion Tracking API sample. This class managers the objects
+ * OpenGL rendering class for the Motion Tracking API sample. This class manages the objects
  * visible in the OpenGL view which are the {@link CameraFrustum}, {@link PointCloud} and the
  * {@link Grid}. These objects are implemented in the TangoUtils library in the package
  * {@link com.projecttango.tangoutils.renderables}.