Fix typo in comment (the module is now called _testcapi, not _test).
diff --git a/Lib/test/test_capi.py b/Lib/test/test_capi.py
index 9eddc88..d01d3bf 100644
--- a/Lib/test/test_capi.py
+++ b/Lib/test/test_capi.py
@@ -1,5 +1,5 @@
 # Run the _testcapi module tests (tests for the Python/C API):  by defn,
-# these are all functions _test exports whose name begins with 'test_'.
+# these are all functions _testcapi exports whose name begins with 'test_'.
 
 import sys
 import test_support