reformat conv3d2d() docstring to display correctly.

theano/tensor/nnet/conv3d2d.py

@@ -109,13 +109,17 @@ def conv3d(signals, filters,
     """
     Convolve spatio-temporal filters with a movie.
 
-    signals - timeseries of images whose pixels have color channels.
+    :param signals: timeseries of images whose pixels have color channels.
             shape: [Ns, Ts, C, Hs, Ws]
-    filters - spatio-temporal filters
+    :param filters: spatio-temporal filters
             shape: [Nf, Tf, C, Hf, Wf]
+    :param signals_shape: None or a tuple/list with the shape of signals
+    :param filters_shape: None or a tuple/list with the shape of filters
+    :param border_mode: tuple of 3 string mode names (or just a mode name,
+            which means a homogenous tuple). A mode name can be one of
+            'full', 'valid', and 'same'.
 
-    border_mode - tuple of string mode names (or just a mode name, which means a
-            homogenous tuple). A mode name can be one of 'full', 'valid', and 'same'.
+    :note: the border_mode 'same' is not implemented.
     """
 
     if isinstance(border_mode, str):