docs: fix underline warning

diff --git a/pdns/recursordist/docs/metrics.rst b/pdns/recursordist/docs/metrics.rst
index 760b06e737c4c894eb44040fdd236f9f59b37402..11f43162f28adc7600c81588456b236520bc9737 100644 (file)
--- a/pdns/recursordist/docs/metrics.rst
+++ b/pdns/recursordist/docs/metrics.rst
@@ -253,7 +253,7 @@ max-cache-entries
 currently configured maximum number of cache entries
 
 max-packetcache-entries
-^^^^^^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^^^^^^^
 currently configured maximum number of packet cache entries
 
 max-mthread-stack