diff --git a/data/haarcascades/haarcascade_mcs_eyepair_big.xml b/data/haarcascades/haarcascade_mcs_eyepair_big.xml
index c2fea64f7e..ecc92bb7eb 100644
--- a/data/haarcascades/haarcascade_mcs_eyepair_big.xml
+++ b/data/haarcascades/haarcascade_mcs_eyepair_big.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<!----------------------------------------------------------------------------
+<!--
   45x11 Eye pair detector computed with 7000 positive samples
 
 //////////////////////////////////////////////////////////////////////////
@@ -81,7 +81,7 @@ More information can be found at http://mozart.dis.ulpgc.es/Gias/modesto_eng.htm
 COMMERCIAL USE:
 If you have any commercial interest in this work please contact 
 mcastrillon@iusiani.ulpgc.es
------------------------------------------------------------------------->
+-->
 <opencv_storage>
 <parojos_7000pos_15000neg_45x11 type_id="opencv-haar-classifier">
   <size>
diff --git a/data/haarcascades/haarcascade_mcs_eyepair_small.xml b/data/haarcascades/haarcascade_mcs_eyepair_small.xml
index fa1fa4d83f..73c2f7cea5 100644
--- a/data/haarcascades/haarcascade_mcs_eyepair_small.xml
+++ b/data/haarcascades/haarcascade_mcs_eyepair_small.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<!----------------------------------------------------------------------------
+<!--
   22x5 Eye pair detector computed with 7000 positive samples
 
 //////////////////////////////////////////////////////////////////////////
@@ -80,7 +80,7 @@ More information can be found at http://mozart.dis.ulpgc.es/Gias/modesto_eng.htm
 COMMERCIAL USE:
 If you have any commercial interest in this work please contact 
 mcastrillon@iusiani.ulpgc.es
------------------------------------------------------------------------->
+-->
 
 <opencv_storage>
 <parojos type_id="opencv-haar-classifier">
diff --git a/data/haarcascades/haarcascade_mcs_lefteye.xml b/data/haarcascades/haarcascade_mcs_lefteye.xml
index 9030aabd1d..3aeeb5a9f6 100644
--- a/data/haarcascades/haarcascade_mcs_lefteye.xml
+++ b/data/haarcascades/haarcascade_mcs_lefteye.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<!----------------------------------------------------------------------------
+<!--
   18x12 Left eye (in the image) detector computed with 7000 positive samples
 
 //////////////////////////////////////////////////////////////////////////
@@ -80,7 +80,7 @@ More information can be found at http://mozart.dis.ulpgc.es/Gias/modesto_eng.htm
 COMMERCIAL USE:
 If you have any commercial interest in this work please contact 
 mcastrillon@iusiani.ulpgc.es
------------------------------------------------------------------------->
+-->
 <opencv_storage>
 <ojoI type_id="opencv-haar-classifier">
   <size>
diff --git a/data/haarcascades/haarcascade_mcs_mouth.xml b/data/haarcascades/haarcascade_mcs_mouth.xml
index 3c30cc779f..ca7d37d2a1 100644
--- a/data/haarcascades/haarcascade_mcs_mouth.xml
+++ b/data/haarcascades/haarcascade_mcs_mouth.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<!----------------------------------------------------------------------------
+<!--
   25x15 Mouth detector computed with 7000 positive samples
 
 //////////////////////////////////////////////////////////////////////////
@@ -80,7 +80,7 @@ More information can be found at http://mozart.dis.ulpgc.es/Gias/modesto_eng.htm
 COMMERCIAL USE:
 If you have any commercial interest in this work please contact 
 mcastrillon@iusiani.ulpgc.es
------------------------------------------------------------------------->
+-->
 <opencv_storage>
 <Boca_17stages type_id="opencv-haar-classifier">
   <size>
diff --git a/data/haarcascades/haarcascade_mcs_nose.xml b/data/haarcascades/haarcascade_mcs_nose.xml
index 7ad9fb3e28..051c38cbaf 100644
--- a/data/haarcascades/haarcascade_mcs_nose.xml
+++ b/data/haarcascades/haarcascade_mcs_nose.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<!----------------------------------------------------------------------------
+<!--
   18x15 Nose detector computed with 7000 positive samples
 
 //////////////////////////////////////////////////////////////////////////
@@ -80,7 +80,7 @@ More information can be found at http://mozart.dis.ulpgc.es/Gias/modesto_eng.htm
 COMMERCIAL USE:
 If you have any commercial interest in this work please contact 
 mcastrillon@iusiani.ulpgc.es
------------------------------------------------------------------------->
+-->
 <opencv_storage>
 <classifier_Nariz_20stages type_id="opencv-haar-classifier">
   <size>
diff --git a/data/haarcascades/haarcascade_mcs_righteye.xml b/data/haarcascades/haarcascade_mcs_righteye.xml
index 3d7cd149c9..dc9917609c 100644
--- a/data/haarcascades/haarcascade_mcs_righteye.xml
+++ b/data/haarcascades/haarcascade_mcs_righteye.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<!----------------------------------------------------------------------------
+<!--
   18x12 Right eye (in the image) detector computed with 7000 positive samples
 
 //////////////////////////////////////////////////////////////////////////
@@ -80,7 +80,7 @@ More information can be found at http://mozart.dis.ulpgc.es/Gias/modesto_eng.htm
 COMMERCIAL USE:
 If you have any commercial interest in this work please contact 
 mcastrillon@iusiani.ulpgc.es
------------------------------------------------------------------------->
+-->
 
 <opencv_storage>
 <ojoD type_id="opencv-haar-classifier">
diff --git a/data/haarcascades/haarcascade_mcs_upperbody.xml b/data/haarcascades/haarcascade_mcs_upperbody.xml
index 8be13ce96d..792b8d1bde 100644
--- a/data/haarcascades/haarcascade_mcs_upperbody.xml
+++ b/data/haarcascades/haarcascade_mcs_upperbody.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<!----------------------------------------------------------------------------
+<!--
   22x20 Head and shoulders detector 
 
 //////////////////////////////////////////////////////////////////////////
@@ -78,7 +78,7 @@ More information can be found at http://mozart.dis.ulpgc.es/Gias/modesto_eng.htm
 COMMERCIAL USE:
 If you have any commercial interest in this work please contact 
 mcastrillon@iusiani.ulpgc.es
------------------------------------------------------------------------->
+-->
 <opencv_storage>
 <HS type_id="opencv-haar-classifier">
   <size>