diff --git a/src/character.hpp b/src/character.hpp
index ce78c7d..620e7f4 100644
--- a/src/character.hpp
+++ b/src/character.hpp
@@ -42,7 +42,7 @@ namespace cloonel {
 		virtual void Draw ( void ) const;
 
 	private:
-		SizeNotifiable<regbehaviuors::AutoRegister> m_screenRatio;
+		SizeNotifiable<regbehaviours::AutoRegister> m_screenRatio;
 		const std::unique_ptr<Texture> m_texture;
 	};
 } //unnamed namespace
diff --git a/src/platform.hpp b/src/platform.hpp
index ed1c7ce..0e687b0 100644
--- a/src/platform.hpp
+++ b/src/platform.hpp
@@ -41,7 +41,7 @@ namespace cloonel {
 		float2 BottomRight ( void ) const { return TopLeft() + m_size; }
 
 	private:
-		SizeNotifiable<regbehaviuors::AutoRegister> m_screenRatio;
+		SizeNotifiable<regbehaviours::AutoRegister> m_screenRatio;
 		float2 m_size;
 		Texture* m_surface;
 	};
diff --git a/src/sizenotifiable.cpp b/src/sizenotifiable.cpp
index c942fa0..3bba401 100644
--- a/src/sizenotifiable.cpp
+++ b/src/sizenotifiable.cpp
@@ -8,7 +8,7 @@ namespace cloonel {
 	namespace implem {
 	} //namespace implem
 
-	namespace regbehaviuors {
+	namespace regbehaviours {
 		///----------------------------------------------------------------------
 		///----------------------------------------------------------------------
 		void AutoRegister::Register (SizeNotifiableBase* parNotifiable) {
@@ -47,7 +47,7 @@ namespace cloonel {
 			std::swap(m_registered, parOther.m_registered);
 #endif
 		}
-	} //namespace regbehaviuors
+	} //namespace regbehaviours
 
 	///--------------------------------------------------------------------------
 	///--------------------------------------------------------------------------
diff --git a/src/sizenotifiable.hpp b/src/sizenotifiable.hpp
index c6382fb..8249bdc 100644
--- a/src/sizenotifiable.hpp
+++ b/src/sizenotifiable.hpp
@@ -29,7 +29,7 @@ namespace cloonel {
 	class SDLMain;
 	class SizeNotifiableBase;
 
-	namespace regbehaviuors {
+	namespace regbehaviours {
 		class DontRegister {
 		public:
 			enum { SDLMAIN_NEEDED = false };
@@ -66,10 +66,7 @@ namespace cloonel {
 			bool m_registered;
 #endif
 		};
-	} //namespace regbehaviuors
-
-	namespace implem {
-	} //namespace implem
+	} //namespace regbehaviours
 
 	class SizeNotifiableBase {
 	protected:
diff --git a/src/tiledwallpaper.hpp b/src/tiledwallpaper.hpp
index a61b8d0..4ba4b6d 100644
--- a/src/tiledwallpaper.hpp
+++ b/src/tiledwallpaper.hpp
@@ -38,8 +38,8 @@ namespace cloonel {
 		virtual void Draw ( void ) const;
 
 	private:
-		class TileCountNotifiable : public SizeNotifiable<regbehaviuors::AutoRegister> {
-			typedef SizeNotifiable<regbehaviuors::AutoRegister> BaseClass;
+		class TileCountNotifiable : public SizeNotifiable<regbehaviours::AutoRegister> {
+			typedef SizeNotifiable<regbehaviours::AutoRegister> BaseClass;
 		public:
 			TileCountNotifiable ( SDLMain* parMain, const ushort2& parTileSize );
 			virtual ~TileCountNotifiable ( void ) noexcept = default;