doc: Add missing parenthesis to keycombo

The SIGINT keycombo for the pg_waldump stats emission was lacking a
closing parenthesis.  Backpatch to 15 where this feature was added.

Discussion: https://postgr.es/m/EC39E60E-C8B6-4CDF-8BFA-E4D140446B41@yesql.se
Backpatch-through: 15

diff --git a/doc/src/sgml/ref/pg_waldump.sgml b/doc/src/sgml/ref/pg_waldump.sgml
index 57746d9421f79e978b5646250b85fc5cb6937827..c887ac1bae22ed5bbf67e3355017aa9825a5054a 100644 (file)
--- a/doc/src/sgml/ref/pg_waldump.sgml
+++ b/doc/src/sgml/ref/pg_waldump.sgml
@@ -263,7 +263,7 @@ PostgreSQL documentation
        
         If pg_waldump is terminated by signal
         SIGINT
-        (ControlC,
+        (ControlC),
         the summary of the statistics computed is displayed up to the
         termination point. This operation is not supported on
         Windows.