diff --git a/docs/ftldns/configfile.md b/docs/ftldns/configfile.md
index 5462b03..b6dd4bf 100644
--- a/docs/ftldns/configfile.md
+++ b/docs/ftldns/configfile.md
@@ -12,6 +12,11 @@ Listen only for local socket connections or permit all connections
 
 Allow `FTL` to analyze AAAA queries from pihole.log?
 
+### ANALYZE_ONLY_A_AND_AAAA
+`ANALYZE_ONLY_A_AND_AAAA=false|true`
+
+Should `FTL` only analyze A and AAAA queries?
+
 ### RESOLVE_IPV6
 `RESOLVE_IPV6=yes|no`