4-CAIVS-user-guide/4.2-User-interfaces.md

@@ -382,9 +382,9 @@ following physical variables:
 
 | index | meaning                                  | range                 |
 |:------|:-----------------------------------------|:----------------------|
-| `ix`  | grid-index in $x$-direction              | 0...`g->nx`           |
-| `iy`  | grid-index in $y$-direction              | 0...`g->ny`           |
-| `iz`  | grid-index in $z$-direction              | 0...`g->nz`           |
+| `ix`  | grid-index in *x*-direction              | 0...`g->nx`           |
+| `iy`  | grid-index in *y*-direction              | 0...`g->ny`           |
+| `iz`  | grid-index in *z*-direction              | 0...`g->nz`           |
 | `is`  | species counter                          | 0...`_C.species`-1    |
 | `ic`  | tracers counter                          | 0...`_C.tracer`-1     |
 | `it`  | testfields fluctuation variables counter | 0...`_C.testfields`-1 |