message: Fix a latex render nit
diff: @@ -9,7 +9,7 @@ The lower regularized incomplete Gamma function is defined as:
  where
  -\\(gamma(a, x) = int_{0}^{x} t^{a-1} exp(-t) dt\\)
  +\\(gamma(a, x) = \\int_{0}^{x} t^{a-1} exp(-t) dt\\)
  is the lower incomplete Gamma function.
  