Merge pull request #589 from bessbd/patch-5

Fix typo in query-servers.rst
diff --git a/src/config/query-servers.rst b/src/config/query-servers.rst
index c770227..eb64f55 100644
--- a/src/config/query-servers.rst
+++ b/src/config/query-servers.rst
@@ -148,7 +148,7 @@
         Due to security restrictions, the Erlang query server is disabled by
         default.
 
-        Unlike the JavaScript query server, the Erlang one does not runs in a
+        Unlike the JavaScript query server, the Erlang one does not run in a
         sandbox mode. This means that Erlang code has full access to your OS,
         file system and network, which may lead to security issues. While Erlang
         functions are faster than JavaScript ones, you need to be careful