Return NotImplemented in Point special methods

[linpy.git] / doc / reference.rst

diff --git a/doc/reference.rst b/doc/reference.rst
index e0efdde..de5300d 100644 (file)
--- a/doc/reference.rst
+++ b/doc/reference.rst
@@ -203,7 +203,7 @@ For example, if ``x`` is a :class:`Symbol`, then ``x + 1`` is an instance of :cl
     .. classmethod:: fromsympy(expr)
 
         Create a linear expression from a :mod:`sympy` expression.
-        Raise :exc:`ValueError` is the :mod:`sympy` expression is not linear.
+        Raise :exc:`TypeError` is the :mod:`sympy` expression is not linear.
 
     .. method:: tosympy()