Clarify boundary condition descriptions in HeatConduction1DWall.html

Author: nikoscham

tutorials/HeatConduction1DWall.html

@@ -100,9 +100,10 @@ <h2 id="mathematicalformulation"><a name="Mathematical formulation"></a>Mathemat
 
     <p>
       The above schematic illustrates the problem domain and outlines the associated boundary conditions. In
-      particular at the outer side of the wall we apply a constant temperature (\(T_0\)) boundary condition
-      implemented as Dirichlet types in the finite element code. Morevover, a convection boundary condition,
-      implemented as Robin type, is applied at the inner side of the wall.
+      particular, a convection boundary condition, implemented as Robin type, is applied at the inner side of
+      the wall (\(x = 0\)). Morevover, at the outer side of the wall (\(x = W\), where \(W\) is the width of
+      the wall), we apply a constant temperature (\(T_0\)) boundary condition, implemented as Dirichlet type
+      in the finite element code.
     </p>
 
     <h2 id="solvingwithfeascript"><a name="Solving with FEAScript"></a>Solving with FEAScript</h2>