From 91d664e78af0504716d2358cc34fa459ccdf9fe6 Mon Sep 17 00:00:00 2001
From: "Salvador E. Tropea" <salvador@inti.gob.ar>
Date: Fri, 1 Sep 2023 13:12:38 -0300
Subject: [PATCH] [DOCs] Added index entry for the error levels

---
 docs/source/usage.rst | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/docs/source/usage.rst b/docs/source/usage.rst
index 28f5fdd5..99fa26af 100644
--- a/docs/source/usage.rst
+++ b/docs/source/usage.rst
@@ -115,5 +115,8 @@ Command line help
 .. literalinclude:: usage.txt
 
 
+.. index::
+   pair: usage; error levels
+
 .. include:: errors.rst