diff --git a/HowToWriteTests.md b/HowToWriteTests.md
index 7b634df..78a2437 100644
--- a/HowToWriteTests.md
+++ b/HowToWriteTests.md
@@ -24,7 +24,7 @@ Now run it!
 
 # code coverage
 
-Now install Ned Batchelder's "[coverage"](http://nedbatchelder.com/code/coverage/) tool and run your with code coverage, like this:
+Now install Ned Batchelder's "[coverage"](http://nedbatchelder.com/code/coverage/) tool and run your test with code coverage, like this:
 
 ```
 python setup.py trial --coverage -s allmydata.test.test_fname