diff --git a/doc/salome/gui/SMESH/input/tui_prism_3d_algo.doc b/doc/salome/gui/SMESH/input/tui_prism_3d_algo.doc
index 741862327..e75596dbf 100644
--- a/doc/salome/gui/SMESH/input/tui_prism_3d_algo.doc
+++ b/doc/salome/gui/SMESH/input/tui_prism_3d_algo.doc
@@ -72,7 +72,7 @@ mesh.Compute()
 
 \endcode
 
-The result mesh id shown below
+The result mesh is shown below
 \image html prism_tui_sample.png
 
 */