Fixing typo

Manual/Manual_How_to_feed_data.ipynb

@@ -328,9 +328,9 @@
     "    labelStream = C.io.StreamDef(field='labels', shape=num_label_classes, is_sparse=False)\n",
     "    featureStream = C.io.StreamDef(field='features', shape=input_dim, is_sparse=False)\n",
     "    \n",
-    "    deserailizer = C.io.CTFDeserializer(path, C.io.StreamDefs(labels = labelStream, features = featureStream))\n",
+    "    deserializer = C.io.CTFDeserializer(path, C.io.StreamDefs(labels = labelStream, features = featureStream))\n",
     "            \n",
-    "    return C.io.MinibatchSource(deserailizer,\n",
+    "    return C.io.MinibatchSource(deserializer,\n",
     "       randomize = is_training, max_sweeps = C.io.INFINITELY_REPEAT if is_training else 1)"
    ]
   },