diff --git a/calibrators/intrinsic_camera_calibrator/intrinsic_camera_calibrator/intrinsic_camera_calibrator/data_collector.py b/calibrators/intrinsic_camera_calibrator/intrinsic_camera_calibrator/intrinsic_camera_calibrator/data_collector.py
index 2d73a2e7..46ca8bad 100644
--- a/calibrators/intrinsic_camera_calibrator/intrinsic_camera_calibrator/intrinsic_camera_calibrator/data_collector.py
+++ b/calibrators/intrinsic_camera_calibrator/intrinsic_camera_calibrator/intrinsic_camera_calibrator/data_collector.py
@@ -454,7 +454,7 @@ def squared_error(p, p1, p2):
                     heatmap[y, x] = 1 * dist_error
 
     def restart_linearity_heatmap(self):
-        """Restart heatmap created by aspect ratio."""
+        """Restart the heatmap created by aspect ratio."""
         self.linearity_heatmap = np.zeros((self.heatmap_cells.value, self.heatmap_cells.value))
 
     def evaluate_redundancy(