Update radiation.rst [skip ci]

danieljprice · Feb 1, 2024 · 91a2fef · 91a2fef
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commit 91a2fef
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/docs/physics/radiation.rst b/docs/physics/radiation.rst
@@ -49,7 +49,7 @@ are needed to compute P from u, and so the units of the simulation are no longer
 The main effect of radiation pressure is to reduce the effective adiabatic index of the gas.
 One can see this because when the gas pressure term dominates, we have
 
-   :math:`P = \frac32 \rho u`
+   :math:`P = \frac23 \rho u`
 
 implying :math:`\gamma=5/3`, whereas when the radiation pressure term dominates, we have
 
@@ -131,4 +131,4 @@ See also
 --------
 
 - :doc:`Equations of state available in Phantom <eos>`
-- :doc:`MCFOST </external-utilities/mcfost>`
+- :doc:`MCFOST </external-utilities/mcfost>`