python-control
diff --git a/‎control/phaseplot.py
Lines changed: 4 additions & 7 deletions b/‎control/phaseplot.py
Lines changed: 4 additions & 7 deletions
diff --git a/‎doc/plotting.rst
Lines changed: 1 addition & 1 deletion b/‎doc/plotting.rst
Lines changed: 1 addition & 1 deletion
diff --git a/‎examples/phase_plane_plots.py
Lines changed: 1 addition & 1 deletion b/‎examples/phase_plane_plots.py
Lines changed: 1 addition & 1 deletion
@@ -15,7 +15,7 @@
 phase plots. The base function for creating phase plane portraits is
 :func:`~control.phase_plane_plot`, which generates a phase plane portrait
 for a 2 state I/O system (with no inputs).  In addition, several other
-functions are available to creat ecustomize phase plane plots:
+functions are available to create customized phase plane plots:
 
 * boxgrid: Generate a list of points along the edge of a box
 * circlegrid: Generate list of points around a circle
@@ -103,7 +103,7 @@ def phase_plane_plot(
     plot_separatrices : bool or dict
         If `True` (default) then plot separatrices starting from each
         equilibrium point.  If set to a dict, pass on the key-value pairs
-        in the dict as keywords to :func:`~control.phaseplot.streamlines`.
+        in the dict as keywords to :func:`~control.phaseplot.separatrices`.
     color : str
         Plot all elements in the given color (use `plot_<fcn>={'color': c}`
         to set the color in one element of the phase plot.
@@ -397,7 +397,7 @@ def equilpoints(
     Parameters
     ----------
     sys : NonlinearIOSystem or callable(t, x, ...)
-        I/O systems or function used to generate phase plane data. If a
+        I/O system or function used to generate phase plane data. If a
         function is given, the remaining arguments are drawn from the
         `params` keyword.
     pointdata : list or 2D array
@@ -702,7 +702,7 @@ def circlegrid(centers, radius, num):
 # Internal utility functions
 #
 
-# Create a system form a callable
+# Create a system from a callable
 def _create_system(sys, params):
     if isinstance(sys, NonlinearIOSystem):
         if sys.nstates != 2:
@@ -789,9 +789,6 @@ def _make_points(pointdata, gridspec, gridtype):
 
     # Utility function to parse (and check) input arguments
     def _parse_args(defsize):
-        # if not isinstance(pointdata, (list, tuple)) or len(pointdata) != 4:
-        #     raise ValueError("invalid grid data specification")
-
         if gridspec is None:
             return defsize
 
 
@@ -363,7 +363,7 @@ The following helper functions are available:
 The :func:`~control.phase_plane_plot` function calls these helper functions
 based on the options it is passed.
 
-Note that unlike other plotting function, phase plane plots do not involve
+Note that unlike other plotting functions, phase plane plots do not involve
 computing a response and then plotting the result via a `plot()` method.
 Instead, the plot is generated directly be a call to the
 :func:`~control.phase_plane_plot` function (or one of the
 
@@ -2,7 +2,7 @@
 # RMM, 25 Mar 2024
 #
 # This file contains a number of examples of phase plane plots generated
-# using the phaseplot module.  Most of these figures lines up with examples
+# using the phaseplot module.  Most of these figures line up with examples
 # in FBS2e, with different display options shown as different subplots.
 
 import time
Original file line number	Diff line number	Diff line change
`@@ -2,7 +2,7 @@`
`2`	`2`	`# RMM, 25 Mar 2024`
`3`	`3`	`#`
`4`	`4`	`# This file contains a number of examples of phase plane plots generated`
`5`		`-# using the phaseplot module. Most of these figures lines up with examples`
	`5`	`+# using the phaseplot module. Most of these figures line up with examples`
`6`	`6`	`# in FBS2e, with different display options shown as different subplots.`
`7`	`7`
`8`	`8`	`import time`