diff --git a/tutorial/tutorial.wmml b/tutorial/tutorial.wmml
index dae44941f8d2ce02103943585f490bd0759d5639..0643a848c29c53da403a8fae7eb433fa60541b2c 100644
--- a/tutorial/tutorial.wmml
+++ b/tutorial/tutorial.wmml
@@ -5615,7 +5615,7 @@ mixed read()
 
 <method name=Thread.Mutex-&gt;lock title="lock the mutex">
 <man_syntax>
-Thread.MutexKey lock();
+Thread.MutexKey lock();<br>
 Thread.MutexKey lock(int <i>type</i>);
 </man_syntax>
 <man_description>