doc: fix Sphinx warnings

diff --git a/modules/stats/README.rst b/modules/stats/README.rst
index f6755ac3236f7417c70e23335d1b5fd44086200a..8f5280641f6ba02ae91f1be3eb9d0034b90099ad 100644 (file)
--- a/modules/stats/README.rst
+++ b/modules/stats/README.rst
@@ -7,7 +7,7 @@ This modules gathers various counters from the query resolution and server inter
 and offers them as a key-value storage. Any module may update the metrics or simply hook
 in new ones.
 
-.. code-block:: lua
+.. code-block:: none
 
        -- Enumerate metrics
        > stats.list()