Fix tab

Author: damiano-flex

tidy3d/components/tcad/effective_DOS.py

@@ -47,7 +47,7 @@ class IsotropicEffectiveDOS(EffectiveDOS):
     Notes
     -----
 
-        .. math::
+    .. math::
 
         \\mathbf{N_eff} = 2 * (\\frac{m_eff * m_e * k_B T}{2 \\pi \\hbar^2})^(3/2)