diff --git a/include/boost/numeric/ublas/functional.hpp b/include/boost/numeric/ublas/functional.hpp
index f3beaf4c..7b071272 100644
--- a/include/boost/numeric/ublas/functional.hpp
+++ b/include/boost/numeric/ublas/functional.hpp
@@ -1490,7 +1490,7 @@ namespace boost { namespace numeric { namespace ublas {
             it -= n;
         }
 
-		// Triangular access
+        // Triangular access
         static
         BOOST_UBLAS_INLINE
         size_type triangular_size (size_type size_i, size_type size_j) {
@@ -1667,7 +1667,7 @@ namespace boost { namespace numeric { namespace ublas {
             it -= n* size_i;
         }
 
-		// Triangular access
+        // Triangular access
         static
         BOOST_UBLAS_INLINE
         size_type triangular_size (size_type size_i, size_type size_j) {
diff --git a/include/boost/numeric/ublas/matrix.hpp b/include/boost/numeric/ublas/matrix.hpp
index a8cc1372..6e9d2e8f 100644
--- a/include/boost/numeric/ublas/matrix.hpp
+++ b/include/boost/numeric/ublas/matrix.hpp
@@ -47,7 +47,7 @@ namespace boost { namespace numeric { namespace ublas {
             // Indexing copy over major
             for (size_type major = 0; major != major_size; ++major) {
                 for (size_type minor = 0; minor != minor_size; ++minor) {
-			            // find indexes - use invertability of element_ functions
+                        // find indexes - use invertability of element_ functions
                     const size_type i1 = layout_type::index_M(major, minor);
                     const size_type i2 = layout_type::index_m(major, minor);
                     temporary.data () [layout_type::element (i1, size1, i2, size2)] =