diff --git a/src/kiwano-physics/ContactEvent.h b/src/kiwano-physics/ContactEvent.h
index 81f1930c..46a3686e 100644
--- a/src/kiwano-physics/ContactEvent.h
+++ b/src/kiwano-physics/ContactEvent.h
@@ -30,7 +30,7 @@ KGE_DECLARE_SMART_PTR(ContactBeginEvent);
 KGE_DECLARE_SMART_PTR(ContactEndEvent);
 
 /**
- * \addtogroup Events
+ * \addtogroup Event
  * @{
  */
 
diff --git a/src/kiwano-physics/PhysicWorld.cpp b/src/kiwano-physics/PhysicWorld.cpp
index afbe62ba..fc459269 100644
--- a/src/kiwano-physics/PhysicWorld.cpp
+++ b/src/kiwano-physics/PhysicWorld.cpp
@@ -196,6 +196,7 @@ public:
         KGE_NOT_USED(contact);
         KGE_NOT_USED(oldManifold);
     }
+
     void PostSolve(b2Contact* contact, const b2ContactImpulse* impulse) override
     {
         KGE_NOT_USED(contact);