diff --git a/hardware_system.py b/hardware_system.py
index 431d1cdde1f95f6367632dcbb52427a278790ab2..6cecf5bf987a2e4bad001c8c85d3bf5b333a690c 100644
--- a/hardware_system.py
+++ b/hardware_system.py
@@ -181,7 +181,7 @@ class OhmPiHardware:
         self.tx.polarity = 1
         self.tx.turn_on()
         if self.rx.sampling_rate*1000 > best_tx_injtime:
-            sampling_rate = best_tx_injtime
+            sampling_rate = best_tx_injtime  # TODO: check this...
         else:
             sampling_rate = self.tx.sampling_rate
         self._vab_pulse(vab=vab, length=best_tx_injtime, sampling_rate=sampling_rate)
diff --git a/ohmpi.py b/ohmpi.py
index d4d5e18d4d958fd7c29e249d3d3cb71e03fdb230..c588508cccf09178f1ac18e1b99009e69ecdae5e 100644
--- a/ohmpi.py
+++ b/ohmpi.py
@@ -420,7 +420,7 @@ class OhmPi(object):
             Quadrupole to measure, just for labelling. Only switch_mux_on/off
             really create the route to the electrodes.
         nb_stack : int, optional
-            Number of stacks. A stack is considered two half-cycles (one
+            Number of stacks. A stack is considered two pulses (one
             positive, one negative).
         injection_duration : int, optional
             Injection time in seconds.
@@ -502,7 +502,7 @@ class OhmPi(object):
         self.switch_mux_off(quad, cmd_id)
         return d
 
-    def run_multiple_sequences(self, cmd_id=None, sequence_delay=None, nb_meas=None, **kwargs):
+    def run_multiple_sequences(self, cmd_id=None, sequence_delay=None, nb_meas=None, **kwargs):  # NOTE : could be renamed repeat_sequence
         """Runs multiple sequences in a separate thread for monitoring mode.
            Can be stopped by 'OhmPi.interrupt()'.
            Additional arguments are passed to run_measurement().