Fix typo in index reference

rouilj · rouilj · commit 25de331914e5 · 2023-07-22T22:05:44.000-04:00
diff --git a/doc/reference.txt b/doc/reference.txt
@@ -483,7 +483,7 @@ Section **mailgw**
   parts of the multipart/alternative are ignored. The default
   is to keep all parts and attach them to the issue.
 
-.. index:: config.ini; sections php
+.. index:: config.ini; sections pgp
 
 Section **pgp**
  OpenPGP mail processing options
