diff --git a/src/backend/commands/explain.c b/src/backend/commands/explain.c
index 7ae6131676..9cc1b13b76 100644
--- a/src/backend/commands/explain.c
+++ b/src/backend/commands/explain.c
@@ -3350,13 +3350,13 @@ show_wal_usage(ExplainState *es, const WalUsage *usage)
 			appendStringInfoString(es->str, "WAL:");
 
 			if (usage->wal_records > 0)
-				appendStringInfo(es->str, "  records=%ld",
+				appendStringInfo(es->str, " records=%ld",
 								 usage->wal_records);
 			if (usage->wal_fpw > 0)
-				appendStringInfo(es->str, "  full page writes=%ld",
+				appendStringInfo(es->str, " fpw=%ld",
 								 usage->wal_fpw);
 			if (usage->wal_bytes > 0)
-				appendStringInfo(es->str, "  bytes=" UINT64_FORMAT,
+				appendStringInfo(es->str, " bytes=" UINT64_FORMAT,
 								 usage->wal_bytes);
 			appendStringInfoChar(es->str, '\n');
 		}
@@ -3365,7 +3365,7 @@ show_wal_usage(ExplainState *es, const WalUsage *usage)
 	{
 		ExplainPropertyInteger("WAL records", NULL,
 							   usage->wal_records, es);
-		ExplainPropertyInteger("WAL full page writes", NULL,
+		ExplainPropertyInteger("WAL fpw", NULL,
 							   usage->wal_fpw, es);
 		ExplainPropertyUInteger("WAL bytes", NULL,
 								usage->wal_bytes, es);