diff --git a/20231207/trigger-01.txt b/20231207/trigger-01.txt
index b47a7d934bde6e03b8e44141d4e7d4f233ec4b71..25f505ad76fb2a01af083c84fcdda071072d0988 100644
--- a/20231207/trigger-01.txt
+++ b/20231207/trigger-01.txt
@@ -51,9 +51,13 @@ testdb-> ;
 FEHLER:  Syntaxfehler bei »if«
 ZEILE 2: if new.balance <> old.balance then
          ^
-testdb=> create function log_change () returns trigger language plpgsql as $$                begin if new.balance <> old.balance then                                                       insert into log_change (account_id, change, datetime) values (old.id, new.balance - old.balance, now ());
-end if;
-return new;
+testdb=> create function log_change () returns trigger language plpgsql as $$
+begin
+  if new.balance <> old.balance then
+    insert into log_change (account_id, change, datetime)
+           values (old.id, new.balance - old.balance, now ());
+  end if;
+  return new;
 end;
 $$
 ;
diff --git a/20231207/trigger-03.txt b/20231207/trigger-03.txt
index 0c307ff7b17641af9382752311c91fae17a01f11..6c266e6f499c57f0e4f1fd543f244b2593a801ae 100644
--- a/20231207/trigger-03.txt
+++ b/20231207/trigger-03.txt
@@ -10,10 +10,12 @@ FEHLER:  kann Funktion log_change() nicht löschen, weil andere Objekte davon ab
 DETAIL:  Trigger after_update_account für Tabelle account hängt von Funktion log_change() ab
 TIP:  Verwenden Sie DROP ... CASCADE, um die abhängigen Objekte ebenfalls zu löschen.
 testdb=> create or replace function log_change () returns trigger language plpgsql as $$
-begin if new.balance <> old.balance then
-  insert into account_log (account_id, change, datetime) values (old.id, new.balance - old.balance, now ());
-end if;
-return new;
+begin
+  if new.balance <> old.balance then
+    insert into account_log (account_id, change, datetime)
+           values (old.id, new.balance - old.balance, now ());
+  end if;
+  return new;
 end;
 $$
 ;