Update qiskit/transpiler/target.py

Co-authored-by: Naoki Kanazawa <nkanazawa1989@gmail.com>

Author: to24toro

qiskit/transpiler/target.py

@@ -290,8 +290,8 @@ def __init__(
                 qubits don't have properties available you can set that entry to
                 ``None``
             concurrent_measurements(list): A list of sets of qubits that must be
-                measured together. The qubits which should be measured concurrently
-                is provided as the nested list like [[0, 1], [2, 3, 4]].
+                measured together. This must be provided 
+                as a nested list like [[0, 1], [2, 3, 4]].
             ValueError: If both ``num_qubits`` and ``qubit_properties`` are both
             defined and the value of ``num_qubits`` differs from the length of
             ``qubit_properties``.