[3.0.x] Corrected some typos in documentation.

Backport of 70d95682b1be6a85abdeaea0205a897f7530f8bc from master

1 files changed, 1 insertions, 1 deletions

diff --git a/docs/topics/testing/index.txt b/docs/topics/testing/index.txt
index 65f970b0ae..1c7d6394a5 100644
--- a/docs/topics/testing/index.txt
+++ b/docs/topics/testing/index.txt
@@ -21,7 +21,7 @@ inspect your application's output and generally verify your code is doing what
 it should be doing.
 
 The preferred way to write tests in Django is using the :mod:`unittest` module
-built in to the Python standard library. This is covered in detail in the
+built-in to the Python standard library. This is covered in detail in the
 :doc:`overview` document.
 
 You can also use any *other* Python test framework; Django provides an API and