diff --git a/doc/index.htm b/doc/index.htm
index 279c4db1..7f205298 100644
--- a/doc/index.htm
+++ b/doc/index.htm
@@ -100,15 +100,15 @@ Vector</a></li>
 <li><a href="vector_proxy.htm#vector_slice">Vector Slice</a></li>
 </ul>
 </li>
-<li><a href="vector_expression_concept.htm">Vector Expressions</a>
+<li><a href="vector_expression.htm">Vector Expressions</a>
 <ul>
-<li><a href="vector_expression_concept.htm#vector_expression">Vector
+<li><a href="vector_expression.htm#vector_expression">Vector
 Expression</a></li>
-<li><a href="vector_expression_concept.htm#vector_references">Vector
+<li><a href="vector_expression.htm#vector_references">Vector
 References</a></li>
-<li><a href="vector_expression_concept.htm#vector_operations">Vector
+<li><a href="vector_expression.htm#vector_operations">Vector
 Operations</a></li>
-<li><a href="vector_expression_concept.htm#vector_reductions">Vector
+<li><a href="vector_expression.htm#vector_reductions">Vector
 Reductions</a></li>
 </ul>
 </li>
@@ -170,17 +170,17 @@ Matrix</a></li>
 <li><a href="matrix_proxy.htm#matrix_slice">Matrix Slice</a></li>
 </ul>
 </li>
-<li><a href="matrix_expression_concept.htm">Matrix Expressions</a>
+<li><a href="matrix_expression.htm">Matrix Expressions</a>
 <ul>
-<li><a href="matrix_expression_concept.htm#matrix_expression">Matrix
+<li><a href="matrix_expression.htm#matrix_expression">Matrix
 Expression</a></li>
-<li><a href="matrix_expression_concept.htm#matrix_references">Matrix
+<li><a href="matrix_expression.htm#matrix_references">Matrix
 References</a></li>
-<li><a href="matrix_expression_concept.htm#matrix_operations">Matrix
+<li><a href="matrix_expression.htm#matrix_operations">Matrix
 Operations</a></li>
-<li><a href="matrix_expression_concept.htm#matrix_vector_operations">Matrix
+<li><a href="matrix_expression.htm#matrix_vector_operations">Matrix
 Vector Operations</a></li>
-<li><a href="matrix_expression_concept.htm#matrix_matrix_operations">Matrix
+<li><a href="matrix_expression.htm#matrix_matrix_operations">Matrix
 Matrix Operations</a></li>
 </ul>
 </li>