tiny documentation fix

IPython/lib/display.py

@@ -41,7 +41,7 b' class Audio(DisplayObject):'
     filename : unicode
         Path to a local file to load the data from.
     embed : boolean
-        Should the image data be embedded using a data URI (True) or should
+        Should the audio data be embedded using a data URI (True) or should
         the original source be referenced. Set this to True if you want the
         audio to playable later with no internet connection in the notebook.