Fixed minor typo

IPython/core/display.py

@@ -410,7 +410,7 b' class Javascript(DisplayObject):'
             string.
         css: : list or str
             A sequence of css files to load before running the source code.
-            The full URLs of the css files should be give. A single css URL
+            The full URLs of the css files should be given. A single css URL
             can also be given as a string.
         """
         if isinstance(lib, basestring):