diff --git a/examples/usecase/README.txt b/examples/usecase/README.txt
index 57127282599f607b44a590f0eb567b146418ef10..4ac353474eb09034ff415a2d04d64865dc880163 100644
--- a/examples/usecase/README.txt
+++ b/examples/usecase/README.txt
@@ -1,6 +1,6 @@
 
-Use Case Examples
------------------
+Use Case Examples on Digit
+--------------------------
 
 The following toy examples illustrate how the multimodal as usecase on digit  dataset of sklearn
 
diff --git a/examples/usecase/__init__.py b/examples/usecase/__init__.py
index e892bb5a7603f248d8605e3c548838a6543e3c70..0ac2ddf53b0918a21c55a4b80f9839933d0e4cd6 100644
--- a/examples/usecase/__init__.py
+++ b/examples/usecase/__init__.py
@@ -3,5 +3,7 @@
 =========
 init file
 =========
+init file
+
 """
 
diff --git a/examples/usecase/plot_usecase_exampleMKL.py b/examples/usecase/plot_usecase_exampleMKL.py
index 77ecb7653b892481c80cd28373ccc7cf8bb9d009..ba5d540482bdbb7fb04acf49828b4a404f47f4c2 100644
--- a/examples/usecase/plot_usecase_exampleMKL.py
+++ b/examples/usecase/plot_usecase_exampleMKL.py
@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
 """
-============
-Use Case MKL
-============
+=====================
+Use Case MKL on digit
+=====================
 Use case for all classifier of multimodallearn MKL
 multi class digit from sklearn, multivue
  - vue 0 digit data (color of sklearn)
@@ -42,10 +42,10 @@ if __name__ == '__main__':
 
     fig = plt.figure(figsize=(12., 11.))
     fig.suptitle("MKL : result" + str(result4), fontsize=16)
-    plot_subplot(X_train, y_train, y_pred44  ,0, (4, 1, 1), "train vue 0" )
-    plot_subplot(X_test, y_test,y_pred4 , 0, (4, 1, 2), "test vue 0" )
-    plot_subplot(X_test, y_test, y_pred4,1, (4, 1, 3), "test vue 1" )
-    plot_subplot(X_test, y_test,y_pred4, 2, (4, 1, 4), "test vue 2" )
+    plot_subplot(X_train, y_train, y_pred44  ,0, (4, 1, 1), "train vue 0 color" )
+    plot_subplot(X_test, y_test,y_pred4 , 0, (4, 1, 2), "test vue 0 color" )
+    plot_subplot(X_test, y_test, y_pred4,1, (4, 1, 3), "test vue 1 gradiant 0" )
+    plot_subplot(X_test, y_test,y_pred4, 2, (4, 1, 4), "test vue 2 gradiant 1" )
     # plt.legend()
     plt.show()
 
diff --git a/examples/usecase/plot_usecase_exampleMVML.py b/examples/usecase/plot_usecase_exampleMVML.py
index 8f86a8bc16b69427b32cbaef4c028d3db3b813ac..b865862b1602b1249adff4f667f68e8076df7d52 100644
--- a/examples/usecase/plot_usecase_exampleMVML.py
+++ b/examples/usecase/plot_usecase_exampleMVML.py
@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
 """
-================
-Use Case of MVML
-================
+=========================
+Use Case of MVML on digit
+========================
 Use case for all classifier of multimodallearn MVML
 
 multi class digit from sklearn, multivue
@@ -40,10 +40,10 @@ if __name__ == '__main__':
     fig = plt.figure(figsize=(12., 11.))
     fig.suptitle("MVML: result" + str(result1), fontsize=16)
     plot_subplot(X_train, y_train, y_pred11
-                 , 0, (4, 1, 1), "train vue 0" )
-    plot_subplot(X_test, y_test,y_pred1, 0, (4, 1, 2), "test vue 0" )
-    plot_subplot(X_test, y_test, y_pred1, 1, (4, 1, 3), "test vue 1" )
-    plot_subplot(X_test, y_test,y_pred1, 2, (4, 1, 4), "test vue 2" )
+                 , 0, (4, 1, 1), "train vue 0 color" )
+    plot_subplot(X_test, y_test,y_pred1, 0, (4, 1, 2), "test vue 0 color" )
+    plot_subplot(X_test, y_test, y_pred1, 1, (4, 1, 3), "test vue 1 gradiant 0" )
+    plot_subplot(X_test, y_test,y_pred1, 2, (4, 1, 4), "test vue 2 gradiant 1" )
     #plt.legend()
     plt.show()
 
diff --git a/examples/usecase/plot_usecase_exampleMuCuBo.py b/examples/usecase/plot_usecase_exampleMuCuBo.py
index fa7490a51c1e3410b91e7a4cbcdb85557277fe15..42a7698b847bd12014ff526af88c21553c566572 100644
--- a/examples/usecase/plot_usecase_exampleMuCuBo.py
+++ b/examples/usecase/plot_usecase_exampleMuCuBo.py
@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
 """
-================
-Use Case MuCumBo
-================
+=========================
+Use Case MuCumBo on digit
+=========================
 Use case for all classifier of multimodallearn  MuCumBo
 
 multi class digit from sklearn, multivue
@@ -41,9 +41,9 @@ if __name__ == '__main__':
 
     fig = plt.figure(figsize=(12., 11.))
     fig.suptitle("MuCumbo: result" + str(result3), fontsize=16)
-    plot_subplot(X_train, y_train, y_pred33  ,0, (4, 1, 1), "train vue 0" )
-    plot_subplot(X_test, y_test,y_pred3 , 0, (4, 1, 2), "test vue 0" )
-    plot_subplot(X_test, y_test, y_pred3,1, (4, 1, 3), "test vue 1" )
-    plot_subplot(X_test, y_test,y_pred3, 2, (4, 1, 4), "test vue 2" )
+    plot_subplot(X_train, y_train, y_pred33  ,0, (4, 1, 1), "train vue 0 color" )
+    plot_subplot(X_test, y_test,y_pred3 , 0, (4, 1, 2), "test vue 0 color" )
+    plot_subplot(X_test, y_test, y_pred3,1, (4, 1, 3), "test vue 1 gradiant 0" )
+    plot_subplot(X_test, y_test,y_pred3, 2, (4, 1, 4), "test vue 2 gradiant 1" )
     # plt.legend()
     plt.show()
\ No newline at end of file
diff --git a/examples/usecase/plot_usecase_exampleMumBo.py b/examples/usecase/plot_usecase_exampleMumBo.py
index 76e4020e88fb204c8715668dd200bc447ac5297c..e3995c648351a85cc50810fa4a253183e265b184 100644
--- a/examples/usecase/plot_usecase_exampleMumBo.py
+++ b/examples/usecase/plot_usecase_exampleMumBo.py
@@ -1,8 +1,8 @@
 # -*- coding: utf-8 -*-
 """
-==============
-Use Case MumBo
-==============
+=======================
+Use Case MumBo on digit
+=======================
 Use case for all classifier of multimodallearn MumBo
 
 multi class digit from sklearn, multivue