diff --git a/src/pauli.jl b/src/pauli.jl
index 57fb1ade..31ef7677 100644
--- a/src/pauli.jl
+++ b/src/pauli.jl
@@ -15,7 +15,7 @@ using LinearAlgebra: tr
 """
     PauliBasis(num_qubits::Int)
 
-Basis for an N-qubit space where `num_qubits` specifices the number of qubits.
+Basis for an N-qubit space where `num_qubits` specifies the number of qubits.
 The dimension of the basis is 2²ᴺ.
 """
 mutable struct PauliBasis{B<:Tuple{Vararg{Basis}}} <: Basis
@@ -34,7 +34,7 @@ abstract type PauliTransferMatrix{B1<:Tuple{PauliBasis, PauliBasis}, B2<:Tuple{P
 
 
 """
-    DensePauliTransferMatrix(b, b, data)
+    DensePauliTransferMatrix(B1, B2, data)
 
 DensePauliTransferMatrix stored as a dense matrix.
 """
@@ -209,7 +209,7 @@ function SuperOperator(chi_matrix::DenseChiMatrix{B, B, Array{Complex{Float64},
 end
 
 """
-    ChiMatrix(ptm::PauliTransferMatrix)
+    ChiMatrix(ptm::DensePauliTransferMatrix)
 
 Convert a Pauli transfer matrix to its representation as a χ matrix.
 """