Fixed typos in the docs

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_2_BRANCH@6892 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/process.tex

@@ -83,7 +83,7 @@ See \helpref{wxProcess::Redirect}{wxprocessredirect}.
 \constfunc{void}{OnTerminate}{\param{int}{ pid}, \param{int}{ status}}
 
 It is called when the process with the pid {\it pid} finishes.
-It raises a wxWindows event when it isn't overriden.
+It raises a wxWindows event when it isn't overridden.
 
 \docparam{pid}{The pid of the process which has just terminated.}