diff --git a/doc/samples/banded_adaptor.cpp b/doc/samples/banded_adaptor.cpp
index 9e66280f..c56aa30d 100644
--- a/doc/samples/banded_adaptor.cpp
+++ b/doc/samples/banded_adaptor.cpp
@@ -22,7 +22,7 @@ int main () {
     matrix<double> m (3, 3);
     banded_adaptor<matrix<double> > ba (m, 1, 1);
     for (signed i = 0; i < signed (ba.size1 ()); ++ i)
-        for (signed j = (std::max) (i - 1, 0); j < std::min (i + 2, signed (ba.size2 ())); ++ j)
+	    for (signed j = (std::max) (i - 1, 0); j < (std::min) (i + 2, signed (ba.size2 ())); ++ j)
             ba (i, j) = 3 * i + j;
     std::cout << ba << std::endl;
 }
diff --git a/doc/samples/banded_matrix.cpp b/doc/samples/banded_matrix.cpp
index fe7b23a4..562f237f 100644
--- a/doc/samples/banded_matrix.cpp
+++ b/doc/samples/banded_matrix.cpp
@@ -21,7 +21,7 @@ int main () {
     using namespace boost::numeric::ublas;
     banded_matrix<double> m (3, 3, 1, 1);
     for (signed i = 0; i < signed (m.size1 ()); ++ i)
-        for (signed j = (std::max) (i - 1, 0); j < std::min (i + 2, signed (m.size2 ())); ++ j)
+	    for (signed j = (std::max) (i - 1, 0); j < (std::min) (i + 2, signed (m.size2 ())); ++ j)
             m (i, j) = 3 * i + j;
     std::cout << m << std::endl;
 }