diff --git a/include/array_view.h b/include/array_view.h
index 9c58ab2..ddf6677 100644
--- a/include/array_view.h
+++ b/include/array_view.h
@@ -1654,7 +1654,7 @@ public:
 	using typename Base::iterator;
 	using typename Base::const_iterator;
 	using typename Base::reference;
-        using Base::rank;
+	using Base::rank;
 
 public:
 	// basic
@@ -2058,7 +2058,7 @@ private:
 	const ArrayView * m_validator;
 	void validateThis() const
 	{
-		fail_fast_assert(m_pdata >= m_validator->m_pdata && m_pdata < m_validator->m_pdata + m_validator->size());
+		fail_fast_assert(m_pdata >= m_validator->m_pdata && m_pdata < m_validator->m_pdata + m_validator->size(), "iterator is out of range of the array");
 	}
 	contiguous_array_view_iterator (const ArrayView *container, bool isbegin = false) :
 		m_pdata(isbegin ? container->m_pdata : container->m_pdata + container->size()), m_validator(container) {	}
diff --git a/tests/array_view_tests.cpp b/tests/array_view_tests.cpp
index ec1d31d..12344d9 100644
--- a/tests/array_view_tests.cpp
+++ b/tests/array_view_tests.cpp
@@ -321,9 +321,9 @@ SUITE(array_view_tests)
 				CHECK(sav[1] == 2);
 
 #if _MSC_VER > 1800
-				strided_array_view<const int, 1> sav_c{ array_view<const int>{src}, strided_bounds<1>{2, 1} };
+				strided_array_view<const int, 1> sav_c{ {src}, {2, 1} };
 #else                
-                strided_array_view<const int, 1> sav_c{ array_view<const int>{src}, strided_bounds<1>{2, 1} };
+				strided_array_view<const int, 1> sav_c{ array_view<const int>{src}, strided_bounds<1>{2, 1} };
 #endif                
 				CHECK(sav_c.bounds().index_bounds() == index<1>{ 2 });
 				CHECK(sav_c.bounds().strides() == index<1>{ 1 });
@@ -341,7 +341,7 @@ SUITE(array_view_tests)
 #if _MSC_VER > 1800
 				strided_array_view<const volatile int, 1> sav_cv{ {src}, {2, 1} };
 #else                
-                strided_array_view<const volatile int, 1> sav_cv{ array_view<const volatile int>{src}, strided_bounds<1>{2, 1} };
+				strided_array_view<const volatile int, 1> sav_cv{ array_view<const volatile int>{src}, strided_bounds<1>{2, 1} };
 #endif                
 				CHECK(sav_cv.bounds().index_bounds() == index<1>{ 2 });
 				CHECK(sav_cv.bounds().strides() == index<1>{ 1 });