[#1441] fix invalid ARM mysql code-block

not getting validated by pygmentize 2.7.1 or higher versions

diff --git a/doc/sphinx/arm/admin.rst b/doc/sphinx/arm/admin.rst
index c141c7c19f09f3bf2cdab4de21322a9d9360ce84..48c897cbb07af49a629b4322c69014625c544dc9 100644 (file)
--- a/doc/sphinx/arm/admin.rst
+++ b/doc/sphinx/arm/admin.rst
@@ -355,7 +355,7 @@ Changing MySQL internal value ``innodb_flush_log_at_trx_commit`` from default va
 
 or permanently in ``/etc/mysql/my.cnf``:
 
-.. code-block:: mysql
+.. code-block:: ini
 
     [mysqld]
     innodb_flush_log_at_trx_commit=2