diff --git a/qiskit/quantum_info/operators/symplectic/pauli.py b/qiskit/quantum_info/operators/symplectic/pauli.py
index 295d8a97d01c..c5b93ceaf4e7 100644
--- a/qiskit/quantum_info/operators/symplectic/pauli.py
+++ b/qiskit/quantum_info/operators/symplectic/pauli.py
@@ -110,7 +110,7 @@ class initialization (``Pauli('-iXYZ')``). A ``Pauli`` object can be
 
         P = (-i)^{q + z\cdot x} Z^z \cdot X^x.
 
-    The :math:`k`th qubit corresponds to the :math:`k`th entry in the
+    The :math:`k`-th qubit corresponds to the :math:`k`-th entry in the
     :math:`z` and :math:`x` arrays
 
     .. math::