Merge pull request mattermost#688 from mattermost/lfbrock-patch-2

Update requirements.rst

Author: Eric Sethna

source/install/requirements.rst

@@ -67,7 +67,7 @@ Database Software
 -  MySQL 5.6+
 -  PostgreSQL 9.4+
 
-Deployments requiring searching in Chinese, Japanese and Korean languages require MySQL 5.7.6+ and the configuration of `ngram Full-Text parser <https://dev.mysql.com/doc/refman/5.7/en/fulltext-search-ngram.html>`__. See `CJK discussion <https://github.com/mattermost/platform/issues/2033#issuecomment-183872616>`__ for details.
+Deployments requiring searching in Chinese, Japanese and Korean languages require MySQL 5.7.6+ and the configuration of `ngram Full-Text parser <https://dev.mysql.com/doc/refman/5.7/en/fulltext-search-ngram.html>`__. For searching two characters, you will also need to set ``ft_min_word_len`` and ``innodb_ft_min_token_size`` to ``2`` and restart MySQL. See `CJK discussion <https://github.com/mattermost/platform/issues/2033#issuecomment-183872616>`__ for details.
 
 Hardware Requirements
 ---------------------