Update control/xferfcn.py

sawyerbfuller · bnavigator · web-flow · commit dae8d4292bab · 2021-01-06T15:17:26.000-08:00
Co-authored-by: Ben Greiner &lt;code@bnavigator.de&gt;
diff --git a/control/xferfcn.py b/control/xferfcn.py
@@ -279,7 +279,7 @@ def horner(self, x):
 
         Parameters
         ----------
-        x : complex array_like or complex
+        x : complex array_like or complex scalar
             Complex frequencies
 
         Returns
