Fix markup error

diff --git a/Doc/whatsnew/whatsnew20.tex b/Doc/whatsnew/whatsnew20.tex
index d3ffcdb878fe83005fc6ef6e5067f799e06199e8..9f742c73951d807d6cf6213dbc18952879bd79d4 100644 (file)
--- a/Doc/whatsnew/whatsnew20.tex
+++ b/Doc/whatsnew/whatsnew20.tex
@@ -280,7 +280,7 @@ by 2, equivalent to the slightly lengthier
 
 The full list of supported assignment operators is \code{+=},
 \code{-=}, \code{*=}, \code{/=}, \code{\%=}, \code{**=}, \code{\&=},
-\code{|=}, \code{^=}, \code{>>=}, and \code{<<=}.  Python classes can
+\code{|=}, \verb|^=|, \code{>>=}, and \code{<<=}.  Python classes can
 override the augmented assignment operators by defining methods named
 \method{__iadd__}, \method{__isub__}, etc.  For example, the following
 \class{Number} class stores a number and supports using += to create a