diff --git a/ansible/roles/config/templates/config.toml.j2 b/ansible/roles/config/templates/config.toml.j2
index 6ebc28ed4..4d955352c 100644
--- a/ansible/roles/config/templates/config.toml.j2
+++ b/ansible/roles/config/templates/config.toml.j2
@@ -211,3 +211,15 @@ peer_query_maj23_sleep_duration = 2000
 #   2) "kv" - the simplest possible indexer, backed by key-value storage (defaults to levelDB; see DBBackend).
 indexer = "kv"
 
+# Comma-separated list of tags to index (by default the only tag is tx hash)
+#
+# It's recommended to index only a subset of tags due to possible memory
+# bloat. This is, of course, depends on the indexer's DB and the volume of
+# transactions.
+index_tags = ""
+
+# When set to true, tells indexer to index all tags. Note this may be not
+# desirable (see the comment above). IndexTags has a precedence over
+# IndexAllTags (i.e. when given both, IndexTags will be indexed).
+index_all_tags = false
+