fixing 4fgl and broken power law equations in docs
@@ -9,7 +9,7 @@ This model parametrises a broken power law spectrum.
It is defined by the following equation:
.. math::
- \phi(E) = phi_0 \cdot \begin{cases}
+ \phi(E) = \phi_0 \cdot \begin{cases}
\left( \frac{E}{E_{break}} \right)^{-\Gamma1} & \text{if } E < E_{break} \\
\left( \frac{E}{E_{break}} \right)^{-\Gamma2} & \text{otherwise}
\end{cases}
