diff --git a/src/backend/replication/logical/relation.c b/src/backend/replication/logical/relation.c
index 745fd3bab64..10b3d0d9b82 100644
--- a/src/backend/replication/logical/relation.c
+++ b/src/backend/replication/logical/relation.c
@@ -249,6 +249,7 @@ logicalrep_get_attrs_str(LogicalRepRelation *remoterel, Bitmapset *atts)
 	{
 		attcnt++;
 		if (attcnt > 1)
+			/* translator: This is a separator in a list of entity names. */
 			appendStringInfoString(&attsbuf, _(", "));
 
 		appendStringInfo(&attsbuf, _("\"%s\""), remoterel->attnames[i]);
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index 7e2b17cc04e..526a57a16f8 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -3135,14 +3135,17 @@ parse_and_validate_value(const struct config_generic *record,
 					char	   *hintmsg;
 
 					hintmsg = config_enum_get_options(conf,
-													  "Available values: ",
-													  ".", ", ");
+													  _("Available values: "),
+													  /* translator: This is the terminator of a list of entity names. */
+													  _("."),
+													  /* translator: This is a separator in a list of entity names. */
+													  _(", "));
 
 					ereport(elevel,
 							(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
 							 errmsg("invalid value for parameter \"%s\": \"%s\"",
 									record->name, value),
-							 hintmsg ? errhint("%s", _(hintmsg)) : 0));
+							 hintmsg ? errhint("%s", hintmsg) : 0));
 
 					if (hintmsg)
 						pfree(hintmsg);