Disambiguated docstring, since there have been other dpastes

IPython/core/magics/code.py

@@ -246,7 +246,7 b' class CodeMagics(Magics):'
 
     @line_magic
     def pastebin(self, parameter_s=''):
-        """Upload code to dpaste's paste bin, returning the URL.
+        """Upload code to dpaste.com, returning the URL.
 
         Usage:\\
           %pastebin [-d "Custom description"] 1-7