3-NIRVANA-user-guide/3.2-User-interfaces.md

@@ -299,7 +299,7 @@ possible values or a numeric range.
         -   `R`: reflection-on-axis (only of relevance in cylindrical
             geometry at the $y$-lower boundary at $R=0$ or in
             spherical geometry at the $y$-lower/upper boundaries at
-            $\theta =0,\pi $) -- reflecting conditions at the geometric
+            $\theta =0,\pi$) -- reflecting conditions at the geometric
             axis. Same as M except for the azimutal magnetic field
             component for which $u_o=-u_i$.
 
@@ -415,9 +415,12 @@ possible values or a numeric range.
         Jeans-length-based mesh refinement criterion allowing a
         systematic reduction of the Jeans threshold with increasing
         refinement level $l$ according to the expression 
-        `_C.amr_Jeans`$-l*$`_C.amr_dJeans`, i.e., the local
-        Jeans length becomes gradually higher resolved with increasing $l$. 
-        `_C.amr_dJeans` must be positiv. 
+
+        `_C.amr_Jeans`$-l*$`_C.amr_dJeans`, 
+
+        i.e., the local
+        Jeans length becomes gradually higher resolved with increasing 
+        $l$. `_C.amr_dJeans` must be positiv. 
 
         **Important**: `_C.amr_dJeans` must be chosen with care such
         that the actual Jeans threshold never becomes too small or
@@ -578,11 +581,11 @@ possible values or a numeric range.
         solved.
 
     -   `_C.permeability_rel`: relative magnetic permeability $\mu_{rel}$
-        ($=\mu/\mu_0$,$\mu_0=4\pi\cdot 10^{-7}V\cdot m^{-1}\cdot A^{-1}\cdot s^{-1}$).
+        ($=\mu /\mu_0$,$\mu_0 =4\pi\cdot 10^{-7}V\cdot m^{-1}\cdot A^{-1}\cdot s^{-1}$).
 
         **Important:** The Gaussian unit system can be mimicked by
         choosing a value `_C.permeability_rel`$=10^7$ so that
-        the magnetic permeability is $\mu=4\pi$.
+        the magnetic permeability is $\mu =4\pi$.
 
 -   `02` (`_C.viscosity`, `_C.viscosity_coeff`)