diff --git a/pytket/extensions/cutensornet/structured_state/general.py b/pytket/extensions/cutensornet/structured_state/general.py
index dc677e10..25d65876 100644
--- a/pytket/extensions/cutensornet/structured_state/general.py
+++ b/pytket/extensions/cutensornet/structured_state/general.py
@@ -15,7 +15,7 @@
 from abc import ABC, abstractmethod
 import warnings
 import logging
-from typing import Any, Optional, Union
+from typing import Any, Optional, Type
 
 import numpy as np  # type: ignore
 
@@ -78,7 +78,7 @@ def __init__(
         self,
         chi: Optional[int] = None,
         truncation_fidelity: Optional[float] = None,
-        float_precision: Union[np.float32, np.float64] = np.float64,  # type: ignore
+        float_precision: Type[Any] = np.float64,
         value_of_zero: float = 1e-16,
         leaf_size: int = 8,
         k: int = 4,
diff --git a/pytket/extensions/cutensornet/structured_state/simulation.py b/pytket/extensions/cutensornet/structured_state/simulation.py
index a760146b..228b1721 100644
--- a/pytket/extensions/cutensornet/structured_state/simulation.py
+++ b/pytket/extensions/cutensornet/structured_state/simulation.py
@@ -52,7 +52,7 @@ def simulate(
     algorithm: SimulationAlgorithm,
     config: Config,
 ) -> StructuredState:
-    """Simulates the circuit and returns the ``StructuredState`` representing the final state.
+    """Simulates the circuit and returns the ``StructuredState`` of the final state.
 
     Note:
         A ``libhandle`` should be created via a ``with CuTensorNet() as libhandle:``
@@ -70,7 +70,7 @@ def simulate(
         config: The configuration object for simulation.
 
     Returns:
-        An instance of ``StructuredState`` containing (an approximation of) the final state
+        An instance of ``StructuredState`` for (an approximation of) the final state
         of the circuit. The instance be of the class matching ``algorithm``.
     """
     logger = set_logger("Simulation", level=config.loglevel)