Updated example plot of A-scan to include currents.

docs/source/examples_simple_2D.rst

@@ -121,7 +121,7 @@ You should have produced an output file ``cylinder_Ascan_2D.out``. You can view
 
     python -m tools.plot_Ascan cylinder_Ascan_2D.out
 
-:numref:`cylinder_Ascan_results` shows the time history of the electric and magnetic field components at the receiver location. The :math:`E_z` field component can be converted to voltage which represents the A-scan (trace). The initial part of the signal (<1.5 ns) represents the direct wave from transmitter to receiver. Then comes the reflected wavelet from the metal cylinder.
+:numref:`cylinder_Ascan_results` shows the time history of the electric and magnetic field components and currents at the receiver location. The :math:`E_z` field component can be converted to voltage which represents the A-scan (trace). The initial part of the signal (<1.5 ns) represents the direct wave from transmitter to receiver. Then comes the reflected wavelet from the metal cylinder.
 
 .. _cylinder_Ascan_results:
 
@@ -168,7 +168,7 @@ You can now view an image of the B-scan using the command:
 
     python -m tools.plot_Bscan cylinder_Bscan_2D_all.out --field Ez
 
-:numref:`cylinder_Bscan_results` shows the B-scan (image of the Ez field). As expected a hyperbolic response is present from the metal cylinder.
+:numref:`cylinder_Bscan_results` shows the B-scan (image of the :math:`E_z` field component). As expected a hyperbolic response is present from the metal cylinder.
 
 .. _cylinder_Bscan_results: