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

@@ -1430,7 +1430,7 @@ user-defined ambipolar diffusion coefficient. Ambipolar diffusion enters
 the induction equation and energy equation as a field contribution given
 by
 
-**E**<sub>*AD*</sub> = *η*/*μ* <sub>*AD*</sub> **B**×[(∇×**B**)×**B**\]
+**E**<sub>*AD*</sub> = *η*<sub>*AD*</sub>/*μ* **B**×[(∇×**B**)×**B**\]
 
 where *η*<sub>*AD*</sub>
 \[V⋅m⋅A<sup>−1</sup>⋅T<sup>−2</sup>\] denotes the