diff --git a/source/electronics/metrics.rst b/source/electronics/metrics.rst
index b91a9b1..c616828 100644
--- a/source/electronics/metrics.rst
+++ b/source/electronics/metrics.rst
@@ -82,4 +82,4 @@ Henry corresponds to the voltage measurable across the inductor terminals when t
 
 
 .. math::
-   H=\Omega.s=\frac{kg.m^2.s^{-3}.[A]^{-1}}{[A]} \times s = \frac{m^2.kg}{s^2.[A]^2} = m^2.kg.s^{-2}.[A]^{-2}
+   H=\frac{[V].s}{[A]}=\frac{kg.m^2.s^{-3}.[A]^{-1}}{[A]} \times s = \frac{m^2.kg}{s^2.[A]^2} = m^2.kg.s^{-2}.[A]^{-2}