Doc: fix incorrect punctuation

Author: Noboru Saito 
Discussion: https://postgr.es/m/CAAM3qnJtv5YbjpwDfVOYN2gZ9zGSLFM1UGJgptSXmwfifOZJFQ@mail.gmail.com
Backpatch-through: 17

diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml
index c421d89edffde86c3acf52410a77342812d4e79a..d768ea065c55b20e11a9e3eb78c1d6ed97861273 100644 (file)
--- a/doc/src/sgml/monitoring.sgml
+++ b/doc/src/sgml/monitoring.sgml
@@ -1156,7 +1156,7 @@ description | Waiting for a newly initialized WAL file to reach durable storage
    
     
      Extensions can add Extension,
-     InjectionPoint. and LWLock events
+     InjectionPoint, and LWLock events
      to the lists shown in  and
      . In some cases, the name
      of an LWLock assigned by an extension will not be