diff --git a/documentation/credits.html b/documentation/credits.html
index 19cc4ea4e4..0be219f6aa 100755
--- a/documentation/credits.html
+++ b/documentation/credits.html
@@ -93,13 +93,13 @@ Thomas De Praetere (thomas.depraetere@dokeos.com)
 First versions by
 <ul>
   <li>Pablo Rey (prey@cesga.es)</li>
-  <li> Roan Embrechts  (roan.embrechts@vub.ac.be)</li>
+  <li>Roan Embrechts  (roan.embrechts@vub.ac.be)</li>
 </ul>
 
 rewritten by
 <ul>
   <li>Patrick Cool (patrick.cool@ugent.be)</li>
-  <li> Frederik Vermeire </li>
+  <li>Frederik Vermeire </li>
 </ul>
 
 
@@ -119,8 +119,6 @@ rewritten by
 
 
 <h2>Course navigation menu</h2>
-
-
 <ul>
   <li>Sandra Mathijs</li>
   <li> Roan Embrechts  (roan.embrechts@vub.ac.be)</li>
@@ -129,8 +127,6 @@ rewritten by
 
 
 <h2>Course copy</h2>
-
-
 <ul>
   <li>Bart Mollet (bart.mollet@hogent.be)</li>
   <li>Yannick Warnier (yannick.warnier@dokeos.com)</li>
@@ -172,8 +168,7 @@ rewritten by
   <li>Patrick Cool (patrick.cool@UGent.be)</li>
 </ul>
 
-<h2>Extensions and plugins</h2>
-see also http://www.dokeos.com/extensions/
+<h2>Extensions and plugins</h2>see also http://www.dokeos.com/extensions/
 <ul>
   <li>Yannick Warnier (yannick.warnier@dokeos.com)</li>
   <li>Patrick Cool (patrick.cool@UGent.be)</li>
@@ -219,6 +214,7 @@ see also http://www.dokeos.com/extensions/
 </ul>
 <h2>Interface and CSS</h2>
 <ul>
+  <li>Julio Montoya Armas (gugli100@gmail.com)</li>
   <li>Noa Orizales Iglesias (noa@contidosdixitais.com)</li>
   <li>Sandra Matthys</li>
   <li>Wolfgang Schneider (webmaster@bibelcenter.de)</li>
@@ -355,6 +351,13 @@ see also http://www.dokeos.com/extensions/
   <li>Christian Fasanando</li>
 </ul>
 
+<h2>Platform group tool</h2>
+<ul>
+  <li>Thanks to Universidad San Ignacio de Loyola, Lima for the sponsoring of this development</li>
+  <li>Julio Montoya Armas (gugli100@gmail.com)</li>
+  <li>Christian Fasanando</li>
+</ul>
+
 <h2>User Image</h2>
 <ul>
   <li> Miguel (miguel@cesga.es)</li>
@@ -405,6 +408,7 @@ see also http://www.dokeos.com/extensions/
   <li>Patrick Cool (patrick.cool@UGent.be)</li>
   <li>Eric Marguin</li>
   <li>Yannick Warnier</li>
+  <li>Social network improvements: Julio Montoya Armas (gugli100@gmail.com)</li>
 </ul>
 
 <h2>Web services</h2>
@@ -426,13 +430,13 @@ see also http://www.dokeos.com/extensions/
 <ul>
   <li>First integration: HTMLArea</li>
   <li>Second integration: FCKEditor</li>
-  <li>Update to FCKEditor 2.6.2: Julio Montoya Armas</li>
+  <li>Update to FCKEditor 2.6.2: Julio Montoya Armas(gugli100@gmail.com)</li>
   <li>Update to FCKEditor 2.6.4 and addition of other plugins: Ivan Tcholakov</li>
 </ul>
 
 <h1>Translations</h1>
 There are too much translators to list them all. <br />
-Please see http://www.dokeos.com/DLTT/ to see a list of the translators.
+Please see http://www.chamilo.com/DLTT/ to see a list of the translators.
 
 <h1>Documentation</h1>
 <ul>
@@ -478,10 +482,8 @@ Please see http://www.dokeos.com/DLTT/ to see a list of the translators.
   <li> Mustapha Alouani for his work on dynamic LDAP import tool</li>
   <li> Simon Zalar for a patch to FCKeditor 2.2 allowing linking in FF3</li>
   <li> Daniel Enrique Perales Gomez, for various bugfixes in various tools</li>
-  <li> Arthur Jonathan Portugal Guerrero, for his patient work on the
-technical documentation and his thorough testing of 1.8.6 features and implementing the first browser-based tests set</li>
-  <li> Michela Karina Mosquera Guardamino, for helping improve the visibility
-of Dokeos in the Latin American area, patiently answering crazy amounts
+  <li> Arthur Jonathan Portugal Guerrero, for his patient work on the technical documentation and his thorough testing of 1.8.6 features and implementing the first browser-based tests set</li>
+  <li> Michela Karina Mosquera Guardamino, for helping improve the visibility of Dokeos in the Latin American area, patiently answering crazy amounts
 of information requests and organizing great community events</li>
   <li> Jhon Rhoos Hinojosa Portuguez, for various bugfixes in 1.8.6</li>
   <li> Carlos Vargas, for a huge amount of bugfixes in 1.8.6</li>
@@ -490,7 +492,7 @@ of information requests and organizing great community events</li>
   <li> Ricardo Rodriguez, for implementing the first set of unit tests in 1.8.6, and manual testing and reporting</li>
   <li> Franco Cedillo, for minor bugfixes in 1.8.6</li>
   <li> Ruben Pereira, Ana Elena Olivera and all the kids from the Joaquin Sant'Anna school for being an inspiration to all of us.</li>
-
+  <li> Wolfgang Schneider for various bugfixes in various tools</li>
 </ul>
 
 <h1>Removed developments</h1>