fixed the typo

Kyunghyun Cho · Kyunghyun Cho · commit 4c293fe73f81 · 2015-04-02T11:00:44.000-04:00
diff --git a/doc/lstm.txt b/doc/lstm.txt
@@ -190,7 +190,7 @@ can run the code by calling:
 
 .. code-block:: bash
 
-    THEANO_FLAGS="floatX=float32" python train_lstm.py
+    THEANO_FLAGS="floatX=float32" python lstm.py
 
 The script will automatically download the data and decompress it.
 
