diff --git a/docs/index.rst b/docs/index.rst
index f039026..cde4148 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -165,6 +165,8 @@ The full set of configuration options are:
     - ``cert_path`` - str: Path to a trusted certificates
     - ``index_suffix`` - str: A suffix to apply to the index names
     - ``monthly_indexes`` - bool: Use monthly indexes instead of daily indexes
+    - ``number_of_shards`` - int: The number of shards to use when creating the index (Default: 1)
+    - ``number_of_replicas`` - int: The number of replicas to use when creating the index (Default: 1)
 - ``splunk_hec``
     - ``url`` - str: The URL of the Splunk HTTP Events Collector (HEC)
     - ``token`` - str: The HEC token