diff --git a/CMakeLists.txt b/CMakeLists.txt
index ae78d77..78ece95 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,7 +8,7 @@ set(msg_files
   "msg/PublishedTime.msg"
   "msg/MissionRemainingDistanceTime.msg"
   "msg/ResourceUsageReport.msg"
-  "msg/Segmentation.msg"
+  "msg/SegmentationMask.msg"
   "msg/SegmentationConfig.msg"
 )
 
diff --git a/msg/SegmentationConfig.msg b/msg/SegmentationConfig.msg
index 425263a..e5a9729 100644
--- a/msg/SegmentationConfig.msg
+++ b/msg/SegmentationConfig.msg
@@ -9,8 +9,8 @@ uint8 ANIMAL=7
 
 # It represent map between instance segmentation mask and classes
 # The pixel intensities in mask's starts with 1 (pixel value 0 represent pixel is not belong any object)
-#     `class_array[0]` returns the `class_id` for pixels with an intensity value of `1` in the mask.
-#     `class_array[1]` returns the `class_id` for pixels with an intensity value of `2` in the mask.
+#     `class_ids[0]` returns the `class_id` for pixels with an intensity value of `1` in the mask.
+#     `class_ids[1]` returns the `class_id` for pixels with an intensity value of `2` in the mask.
 #     ...
 # The relationship between pixels and class IDs continues in this way.
-uint8[] class_array
\ No newline at end of file
+uint8[] class_ids
\ No newline at end of file
diff --git a/msg/Segmentation.msg b/msg/SegmentationMask.msg
similarity index 100%
rename from msg/Segmentation.msg
rename to msg/SegmentationMask.msg