diff --git a/sdk/src/sl_lidar_driver.cpp b/sdk/src/sl_lidar_driver.cpp
index 4198a51..d54875d 100644
--- a/sdk/src/sl_lidar_driver.cpp
+++ b/sdk/src/sl_lidar_driver.cpp
@@ -176,6 +176,7 @@ namespace sl {
 
         //Tune tail
         for (i = count - 1; i < count; i--) {
+            // To avoid array overruns, use the i < count condition
             if (getDistanceQ2(nodebuffer[i]) == 0) {
                 continue;
             }