Fixed obvious syntax error in doc example

doc/topics/function.txt

@@ -352,7 +352,7 @@ If a list of ``Variable`` or ``Out`` instances is given as argument, then the co
     x, y, s = T.matrices('xys')
 
     # print a list of 2 ndarrays
-    fn1 = theano.function([x], [x+x, Out((x+x).T, borrow=True])
+    fn1 = theano.function([x], [x+x, Out((x+x).T, borrow=True)])
     print fn1(ndarray([[1,0],[0,1]]))