diff --git a/modules/cnn_3dobj/tutorials/table_of_content_cnn_3dobj.markdown b/modules/cnn_3dobj/tutorials/table_of_content_cnn_3dobj.markdown
index 64e01bcb3..d543ee547 100755
--- a/modules/cnn_3dobj/tutorials/table_of_content_cnn_3dobj.markdown
+++ b/modules/cnn_3dobj/tutorials/table_of_content_cnn_3dobj.markdown
@@ -23,4 +23,4 @@ CNN for 3D Object Classification and Pose Estimation {#tutorial_table_of_content
 
     *Author:* Yida Wang
 
-    You will learn how to have an analysis on performance of the trained Model.
+    You will learn how to analyze performance of a trained Model.