@@ -347,7 +347,9 @@ def __neg__(sys):
         return newsys
 
     def __truediv__(sys2, sys1):
-        """Multiply two input/output systems (series interconnection)"""
+        """Division of input/output systems
+
+        Only division by scalars and arrays of scalars is supported"""
         # Note: order of arguments is flipped so that self = sys2,
         # corresponding to the ordering convention of sys2 * sys1
 
 
@@ -796,7 +796,11 @@ def __rmul__(self, other):
 
     # TODO: general __truediv__, and  __rtruediv__; requires descriptor system support
     def __truediv__(self, other):
-        """Divide a StateSpace object; only division by scalars is supported"""
+        """Division of StateSpace systems
+
+        Only division by TFs, FRDs, scalars, and arrays of scalars is
+        supported.
+        """
         if not isinstance(other, (LTI, NamedIOSystem)):
             return self * (1/other)
         else: