Revise cadence plot docstring

setigen/__init__.py

@@ -9,7 +9,6 @@
     lorentzian_f_profile, voigt_f_profile, sinc2_f_profile,
     constant_bp_profile
 )
-from setigen import voltage
 
 from setigen.distributions import fwhm, gaussian, truncated_gaussian, chi2
 from setigen.waterfall_utils import (

setigen/cadence.py

@@ -176,11 +176,15 @@ def plot(self, *args, **kwargs):
         ----------
         cadence : Cadence
             Cadence to plot
-        xtype : {"fmid", "fmin", "f", "px"}, default: "fmid"
-            Types of axis labels, particularly the x-axis. "px" puts axes in units 
-            of pixels. The others are all in frequency: "fmid" shows frequencies 
+        ftype : {"fmid", "fmin", "f", "px", "bins"}, default: "fmid"
+            Type of frequency axis labels. "px" and "bins" put the axis in units of 
+            pixels (bins). The others are all in frequency: "fmid" shows frequencies 
             relative to the central frequency, "fmin" is relative to the minimum 
             frequency, and "f" is absolute frequency.
+        ttype : {"same", "trel", "px", "bins"}, default: "same"
+            Type of time axis labels. "same" matches time axis style with the 
+            frequency axis. "px" and "bins" put the axis in units of pixels (bins), 
+            and "trel" sets the axis in time units relative to the start.
         db : bool, default: True
             Option to convert intensities to dB
         slew_times : bool, default: False