diff --git a/python/likelihoods/likelihood_function.py b/python/likelihoods/likelihood_function.py
index 0d421882..f14faf33 100644
--- a/python/likelihoods/likelihood_function.py
+++ b/python/likelihoods/likelihood_function.py
@@ -9,7 +9,7 @@ class student_t(likelihood_function):
     """Student t likelihood distribution
     For nomanclature see Bayesian Data Analysis 2003 p576
 
-    $$\ln p(y_{i}|f_{i}) = \ln \Gamma(\frac{v+1}{2}) - \ln \Gamma(\frac{v}{2})\sqrt{v \pi}\sigma - \frac{v+1}{2}\ln (1 + \frac{1}{v}\left(\frac{y_{i} - f_{i}}{\sigma}\right)^2$$
+    $$\ln p(y_{i}|f_{i}) = \ln \Gamma(\frac{v+1}{2}) - \ln \Gamma(\frac{v}{2})\sqrt{v \pi}\sigma - \frac{v+1}{2}\ln (1 + \frac{1}{v}\left(\frac{y_{i} - f_{i}}{\sigma}\right)^2)$$
 
     Laplace:
     Needs functions to calculate