diff --git a/.travis.yml b/.travis.yml
index 69f43183cfc..4082152e8be 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -53,6 +53,8 @@ before_script:
  - sh -c "if [ '$PHPV' = '5.3' ]; then echo 'zend_extension_ts = xdebug.so' >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini; fi"
  - sh -c "if [ '$PHPV' = '5.4' ]; then echo 'zend_extension_ts = xdebug.so' >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini; fi"
  - cat ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
+ - echo Mysql version
+ - mysql --version
  - echo Init database
  - sh -c "if [ '$DB' = 'pgsql' ]; then psql -c 'DROP DATABASE IF EXISTS myapp_test;' -U postgres; fi"
  - sh -c "if [ '$DB' = 'pgsql' ]; then psql -c 'CREATE DATABASE myapp_test;' -U postgres; fi"
diff --git a/htdocs/core/js/lib_head.js b/htdocs/core/js/lib_head.js
index 40b1473698e..962e4c39f47 100644
--- a/htdocs/core/js/lib_head.js
+++ b/htdocs/core/js/lib_head.js
@@ -631,7 +631,7 @@ function hideMessage(fieldId,message) {
 
 
 /*
- * TODO Used by admin page only ? 
+ * Used by button to set on/off 
  */
 function setConstant(url, code, input, entity, strict) {
 	$.get( url, {
@@ -689,7 +689,7 @@ function setConstant(url, code, input, entity, strict) {
 }
 
 /*
- * TODO Used by admin page only ? 
+ * Used by button to set on/off  
  */
 function delConstant(url, code, input, entity, strict) {
 	$.get( url, {
@@ -743,7 +743,7 @@ function delConstant(url, code, input, entity, strict) {
 }
 
 /*
- * TODO Used by admin page only ? 
+ * Used by button to set on/off  
  */
 function confirmConstantAction(action, url, code, input, box, entity, yesButton, noButton, strict) {
 	var boxConfirm = box;