Update solver option label from 'LU Solve' to 'LU decomposition' in performance test

Author: nikoscham

tutorials/HeatConduction2DPerfomanceTest.html

@@ -63,7 +63,7 @@ <h2>Run Performance Test</h2>
     <p>
       <label for="solverSelect">Select solver:</label>
       <select id="solverSelect">
-        <option value="lusolve">LU Solve</option>
+        <option value="lusolve">LU decomposition</option>
         <!-- <option value="jacobi">Jacobi</option> -->
         <option value="frontal">Frontal</option>
       </select>