diff --git a/swad_changelog.h b/swad_changelog.h
index 6617f7485..1a1a080b7 100644
--- a/swad_changelog.h
+++ b/swad_changelog.h
@@ -182,21 +182,19 @@
 // TODO: Fix bug in notification content about files sent to plugins like SWADroid: do not write internal name (for example "comun"). Call instead Brw_GetFileNameToShow or similar.
 
 // TODO: Draw future dates in attendance, surveys, assignments in blue?
-// TODO: change checkbox "Obligar a los estudiantes a leer esta información"
-
-// TODO: Fix bug: after registering a teacher in a course in USERS > Teachers, the confirmation is displayed in USERS > Others.
 
 /*****************************************************************************/
 /****************************** Public constants *****************************/
 /*****************************************************************************/
 
-#define Log_PLATFORM_VERSION	"SWAD 16.103.6 (2016-12-18)"
+#define Log_PLATFORM_VERSION	"SWAD 16.103.7 (2016-12-18)"
 #define CSS_FILE		"swad16.103.1.css"
 #define JS_FILE			"swad16.101.js"
 
 // Number of lines (includes comments but not blank lines) has been got with the following command:
 // nl swad*.c swad*.h css/swad*.css py/swad*.py js/swad*.js soap/swad*?.h sql/swad*.sql | tail -1
 /*
+        Version 16.103.7: Dec 18, 2016	Change in checkbox to force students to read couse info. (211206 lines)
         Version 16.103.6: Dec 18, 2016	Some div elements changed to header, footer, aside and nav elements. (211212 lines)
         Version 16.103.5: Dec 17, 2016	Code refactoring in user enrollment. (211207 lines)
         Version 16.103.4: Dec 17, 2016	Code refactoring in user enrollment. (211170 lines)
diff --git a/swad_info.c b/swad_info.c
index 4f04433fc..d8ec477db 100644
--- a/swad_info.c
+++ b/swad_info.c
@@ -298,7 +298,7 @@ extern const char *Hlp_ASSESSMENT_System_edit;
 /*****************************************************************************/
 
 static void Inf_PutButtonToEditInfo (void);
-static void Inf_PutFormToForceStdsToReadInfo (bool MustBeRead);
+static void Inf_PutCheckboxForceStdsToReadInfo (bool MustBeRead);
 static void Inf_PutFormToConfirmIHaveReadInfo (void);
 static bool Inf_CheckIfIHaveReadInfo (void);
 static bool Inf_GetMustBeReadFromForm (void);
@@ -383,7 +383,11 @@ void Inf_ShowInfo (void)
       case Rol_SYS_ADM:
          /* Put checkbox to force students to read this couse info */
          if (InfoSrc != Inf_INFO_SRC_NONE)
-            Inf_PutFormToForceStdsToReadInfo (MustBeRead);
+           {
+            fprintf (Gbl.F.Out,"<div class=\"CONTEXT_MENU\">");
+            Inf_PutCheckboxForceStdsToReadInfo (MustBeRead);
+            fprintf (Gbl.F.Out,"</div>");
+           }
          break;
       default:
          break;
@@ -471,24 +475,15 @@ void Inf_PutIconToEditInfo (void)
 /********** Put a form (checkbox) to force students to read info *************/
 /*****************************************************************************/
 
-static void Inf_PutFormToForceStdsToReadInfo (bool MustBeRead)
+static void Inf_PutCheckboxForceStdsToReadInfo (bool MustBeRead)
   {
-   extern const char *The_ClassForm[The_NUM_THEMES];
    extern const char *Txt_Force_students_to_read_this_information;
 
-   fprintf (Gbl.F.Out,"<div class=\"%s CENTER_MIDDLE\">",
-	    The_ClassForm[Gbl.Prefs.Theme]);
-   Act_FormStart (Inf_ActionsChangeForceReadInfo[Gbl.CurrentCrs.Info.Type]);
-   fprintf (Gbl.F.Out,"<input type=\"checkbox\"");
-   if (MustBeRead)
-      fprintf (Gbl.F.Out," checked=\"checked\"");
-   fprintf (Gbl.F.Out," name=\"MustBeRead\" value=\"Y\""
-                      " onchange=\"document.getElementById('%s').submit();\" />"
-                      " %s",
-            Gbl.Form.Id,
-            Txt_Force_students_to_read_this_information);
-   Act_FormEnd ();
-   fprintf (Gbl.F.Out,"</div>");
+   Lay_PutContextualCheckbox (Inf_ActionsChangeForceReadInfo[Gbl.CurrentCrs.Info.Type],
+                              NULL,
+                              "MustBeRead",MustBeRead,
+                              Txt_Force_students_to_read_this_information,
+                              Txt_Force_students_to_read_this_information);
   }
 
 /*****************************************************************************/