Fix grammar in short description of effective_wal_level.

Align with the convention of using third-person singular (e.g.,
"Shows" instead of "Show") for GUC parameter descriptions.

Author: Kyotaro Horiguchi <horikyota.ntt@gmail.com>
Discussion: https://postgr.es/m/20260210.143752.1113524465620875233.horikyota.ntt@gmail.com

diff --git a/src/backend/utils/misc/guc_parameters.dat b/src/backend/utils/misc/guc_parameters.dat
index 5ee84a639d828b846fff0cd9c68938058bb261ae..a5a0edf2534aa9b3204771967dd4fdaf70907ff1 100644 (file)
--- a/src/backend/utils/misc/guc_parameters.dat
+++ b/src/backend/utils/misc/guc_parameters.dat
@@ -806,7 +806,7 @@
 },
 
 { name => 'effective_wal_level', type => 'enum', context => 'PGC_INTERNAL', group => 'PRESET_OPTIONS',
-  short_desc => 'Show effective WAL level.',
+  short_desc => 'Shows effective WAL level.',
   flags => 'GUC_NOT_IN_SAMPLE | GUC_DISALLOW_IN_FILE',
   variable => 'effective_wal_level',
   boot_val => 'WAL_LEVEL_REPLICA',