Fixed typos and line too long in warning message

theano/tensor/nnet/nnet.py

@@ -1052,8 +1052,13 @@ def local_argmax_pushdown(node):
             (softmax, softplus, tensor.exp, tensor.log, tensor.tanh, sigmoid,
              softmax_with_bias):
         if theano.config.warn.argmax_pushdown_bug:
-            logging.getLogger('theano.tensor.nnet.nnet').warn("WARNING: their was a bug in Theano fixed the 27 may 2010 in this case. I.E. when we take the max of a softplus, softmax, exp, log, tanh, sigmoid, softmax_with_bias op, we where doing the max of the parent of the input. To remove this warning set the Theano flags 'warn.argmax_pushdown_bug' to False")
-
+            logging.getLogger('theano.tensor.nnet.nnet').warn("WARNING: there "
+                    "was a bug in Theano fixed on May 27th, 2010 in this case."
+                    " I.E. when we take the max of a softplus, softmax, exp, "
+                    "log, tanh, sigmoid, softmax_with_bias op, we were doing "
+                    "the max of the parent of the input. To remove this "
+                    "warning set the Theano flags 'warn.argmax_pushdown_bug' "
+                    "to False")
 
     if node.op == tensor._max_and_argmax and node.inputs[0].owner and len(node.outputs[0].clients)==0:
         x_max, x_argmax = node.outputs