diff --git a/Concepts.h b/Concepts.h
index 53a6b7a..9e021bd 100644
--- a/Concepts.h
+++ b/Concepts.h
@@ -253,31 +253,31 @@ namespace Alepha::Hydrogen  ::detail::  Concepts_m
 		template< typename Member, typename Seq >
 		concept SequenceOf= Sequence< Seq > and SpecializedOn< Seq, Member >;
 
-		template< typename T >                            
-		concept Beginable=                                
-		requires( const T &t )                            
-		{                                                 
-			{ begin( t ) };                               
-		}                                                 
-		or                                                
-		requires( const T &t )                            
-		{                                                 
-			{ std::begin( t ) };                          
-		};                                                
-									  
-		template< typename T >                            
-		concept Endable=                                  
-		requires( const T &t )                            
-		{                                                 
-			{ end( t ) };                                 
-		}                                                 
-		or                                                
-		requires( const T &t )                            
-		{                                                 
-			{ std::end( t ) };                            
-		};                                                
-									  
-		template< typename T >                            
+		template< typename T >
+		concept Beginable=
+		requires( const T &t )
+		{
+			{ begin( t ) };
+		}
+		or
+		requires( const T &t )
+		{
+			{ std::begin( t ) };
+		};
+
+		template< typename T >
+		concept Endable=
+		requires( const T &t )
+		{
+			{ end( t ) };
+		}
+		or
+		requires( const T &t )
+		{
+			{ std::end( t ) };
+		};
+
+		template< typename T >
 		concept Iterable= Beginable< T > and Endable< T >;
 
 		template< typename T >