Merge pull request #21 from flexcompute/emerson/symmetry_fix

Symmetry FAQ fix.

Author: e-g-melo

_faqs/what-does-even-i-e-pmc-symmetry-mean.md

@@ -24,6 +24,6 @@ _inputs:
         text:
           - key: category_name
 ---
-PMC symmetry (even) corresponds to zero tangential electric fields and zero normal magnetic fields at the symmetry plane.
+PMC symmetry (even) corresponds to zero normal electric field and zero tangential magnetic field at the symmetry plane.
 
 ![](./img/pmc-1.png){: width="229" height="482"}

_faqs/what-does-odd-i-e-pec-symmetry-mean.md

@@ -24,6 +24,6 @@ _inputs:
         text:
           - key: category_name
 ---
-PEC symmetry (odd) corresponds to zero normal electric fields and zero tangential magnetic fields at the symmetry plane.
+PEC symmetry (odd) corresponds to zero tangential electric fields and zero normal magnetic fields at the symmetry plane.
 
 ![](./img/pec-1.png){: width="223" height="485"}