diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index 5282d338291..123d7326912 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -993,7 +993,7 @@ static struct config_bool ConfigureNamesBool[] =
 
 	{
 		{"wal_log_hints", PGC_POSTMASTER, WAL_SETTINGS,
-			gettext_noop("Writes full pages to WAL when first modified after a checkpoint, even for a non-critical modifications."),
+			gettext_noop("Writes full pages to WAL when first modified after a checkpoint, even for a non-critical modification."),
 			NULL
 		},
 		&wal_log_hints,