diff --git a/src/sound/allegro_s.cpp b/src/sound/allegro_s.cpp
--- a/src/sound/allegro_s.cpp
+++ b/src/sound/allegro_s.cpp
@@ -46,7 +46,8 @@ void SoundDriver_Allegro::MainLoop()
 
 /**
  * There are multiple modules that might be using Allegro and
- * Allegro can only be initiated once. */
+ * Allegro can only be initiated once.
+ */
 extern int _allegro_instance_count;
 
 const char *SoundDriver_Allegro::Start(const char * const *parm)