Update CTC Op docstring to include default library path remark

Signed-off-by: João Victor Tozatti Risso <joaovictor.risso@gmail.com>

Update CTC Op docstring to include default library path remark
cef2045f · João Victor Tozatti Risso · 8bcac8ae · cef2045f
--- a/theano/tensor/nnet/ctc.py
+++ b/theano/tensor/nnet/ctc.py
@@ -92,8 +92,9 @@ class ConnectionistTemporalClassification(gof.COp, gof.OpenMPOp):
    Notes
    -----
-    Using the wrapper requires that Baidu's warp-ctc library is installed and the
+    Using the wrapper requires that Baidu's warp-ctc library is installed.
-    configuration variable `config.ctc.root` be properly set.
+    If the warp-ctc library is not on your compiler's default library path,
+    you must set the configuration variable ``config.ctc.root`` appropriately.
    Parameters
    ----------