Corrected typo in search docs.
@@ -17,7 +17,7 @@ Standard textual queries
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Text-based fields have a selection of simple matching operations. For example,
-you may wish to allow lookup up an author like so::
+you may wish to allow lookup of an author like so::
>>> Author.objects.filter(name__contains='Terry')
[<Author: Terry Gilliam>, <Author: Terry Jones>]
