diff --git a/src/numbers.jl b/src/numbers.jl
index 4465c77..4039f9f 100644
--- a/src/numbers.jl
+++ b/src/numbers.jl
@@ -68,7 +68,7 @@ end
 """
     narayana(n,k)
 
-Compute the Narayana number `N(n,k)`` given by ``\\frac{1}{n}\\binom{n}{k}\\binom{n}{k-1}``
+Compute the Narayana number `N(n,k)` given by ``\\frac{1}{n}\\binom{n}{k}\\binom{n}{k-1}``
 Wikipedia : https://en.wikipedia.org/wiki/Narayana_number
 """
 function narayana(bn::Integer,bk::Integer)
diff --git a/src/partitions.jl b/src/partitions.jl
index 9ba2969..305e23b 100644
--- a/src/partitions.jl
+++ b/src/partitions.jl
@@ -399,9 +399,9 @@ integers ``p_1``, ``p_2``, etc.
 
 For integers ``i_1``, ``i_2``, ``i_3``, this is equivalent to finding the largest ``x``
 such that
-```math
-i_1^n_1 i_2^n_2 i_3^n_3 \\leq x
-```
+
+``i_1^{n_1} i_2^{n_2} i_3^{n_3} \\leq x``
+
 for integers ``n_1``, ``n_2``, ``n_3``.
 """
 function prevprod(a::Vector{Int}, x)