Remove differentiation reference from power spectrum's column argument help.

diff --git a/hooke/plugin/curve.py b/hooke/plugin/curve.py
index 6221dbe0d4055fac0e1b80bad252a078dfcf7192..9daab06c6a5faa48906522d3b33b90cfbd305399 100644 (file)
--- a/hooke/plugin/curve.py
+++ b/hooke/plugin/curve.py
@@ -260,9 +260,9 @@ class PowerSpectrumCommand (Command):
 Data block to act on.  For an approach/retract force curve, `0`
 selects the approaching curve and `1` selects the retracting curve.
 """.strip()),
-                Argument(name='f column', type='int', default=1,
+                Argument(name='column', type='int', default=1,
                          help="""
-Column of data block to differentiate with respect to.
+Column of data block containing time-series data.
 """.strip()),
                 Argument(name='freq', type='float', default=1.0,
                          help="""
@@ -283,6 +283,6 @@ Otherwise, the chunks are end-to-end, and not overlapping.
     def _run(self, hooke, inqueue, outqueue, params):
         data = params['curve'].data[params['block']]
         outqueue.put(unitary_avg_power_spectrum(
-                data[:,params['f column']], freq=params['freq'],
+                data[:,params['column']], freq=params['freq'],
                 chunk_size=params['chunk size'],
                 overlap=params['overlap']))