diff --git a/CHANGES.md b/CHANGES.md
index 15f6f86..6b6d1c0 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,7 +1,8 @@
 Changes in version 3.36.31.1 (2015123101)
 ------------------------------------------------------------------
-- New: Disable summarize of attempts
+- New: Disable summarize of attempts.
+- CONTRIB-5605: Quotation marks breaks the js-code in game Cryptex.
 
 Changes in version 3.36.29.1 (2015122901)
 ------------------------------------------------------------------
-- Fix: Coding style
+- Fixing coding style.
diff --git a/cryptex/play.php b/cryptex/play.php
index d425e88..1c601ef 100755
--- a/cryptex/play.php
+++ b/cryptex/play.php
@@ -325,10 +325,11 @@ width:	240pt;
         $question = game_show_query( $game, $q, "$i. ".$q->questiontext, $context);
         $question2 = strip_tags($question); // ADDED BY DP (AUG 2009) - fixes " breaking the Answer button for this question.
 
+        echo '<script>var msg='.json_encode( $question2).';</script>';
         if (($onlyshow == false) and ($showsolution == false)) {
             if (($game->param8 == 0) || ($game->param8 > $q->tries)) {
                 $question .= ' &nbsp;<input type="submit" value="'.
-                    get_string( 'answer').'" onclick="OnCheck( '.$q->id.',\''.$question2.'\');" />';
+                    get_string( 'answer').'" onclick="OnCheck( '.$q->id.',msg);" />';
             }
         }
         echo $question;
diff --git a/db/upgrade.php b/db/upgrade.php
index a08108b..ebaae23 100755
--- a/db/upgrade.php
+++ b/db/upgrade.php
@@ -1525,7 +1525,7 @@ function xmldb_game_upgrade($oldversion) {
         upgrade_mod_savepoint(true, 2015122105, 'game');
     }
 
-   if ($oldversion < ($ver = 2015123101)) {
+    if ($oldversion < ($ver = 2015123101)) {
         $table = new xmldb_table('game');
         $field = new xmldb_field('disablesummarize', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, null, null, '0');
         if (!$dbman->field_exists($table, $field)) {
diff --git a/view.php b/view.php
index 3ec778a..13229d0 100755
--- a/view.php
+++ b/view.php
@@ -72,7 +72,7 @@ if (game_use_events()) {
 $completion = new completion_info($course);
 $completion->set_module_viewed($cm);
 
-// Here have to check if not need summarize
+// Here have to check if not need summarize.
 if ($game->disablesummarize) {
     if (game_can_start_new_attempt( $game)) {
         require_once( 'attempt.php');