Fix docstring on the return type of CTC Op

theano/gpuarray/ctc.py

@@ -39,7 +39,7 @@ class GpuConnectionistTemporalClassification(gof.COp):
 
     Returns
     -------
-    3D tensor
+    1-D tensor
         Cost of each example in the minibatch. Tensor is of shape
         (time index, minibatch index, probabilities).
     """

theano/tensor/nnet/ctc.py

@@ -39,7 +39,7 @@ class ConnectionistTemporalClassification(gof.COp, gof.OpenMPOp):
 
     Returns
     -------
-    3D tensor
+    1-D tensor
         Cost of each example in the minibatch. Tensor is of shape
         (time index, minibatch index, probabilities).
     """