diff --git a/Doc/reference/expressions.rst b/Doc/reference/expressions.rst
index 9c416f8..ea2bb1a 100644
--- a/Doc/reference/expressions.rst
+++ b/Doc/reference/expressions.rst
@@ -801,8 +801,7 @@
 raised).
 
 Raising ``0.0`` to a negative power results in a :exc:`ZeroDivisionError`.
-Raising a negative number to a fractional power results in a :class:`complex`
-number. (Since Python 2.6. In earlier versions it raised a :exc:`ValueError`.)
+Raising a negative number to a fractional power results in a :exc:`ValueError`.
 
 
 .. _unary: