Fixed docs to refer to HSTS includeSubdomains as a directive.

The spec refers to it as a 'directive' rather than a 'tag':
https://tools.ietf.org/html/rfc6797#section-6.1.2

1 files changed, 2 insertions, 2 deletions

diff --git a/tests/middleware/test_security.py b/tests/middleware/test_security.py
index 2b6a54eb17..f671600c49 100644
--- a/tests/middleware/test_security.py
+++ b/tests/middleware/test_security.py
@@ -83,7 +83,7 @@ class SecurityMiddlewareTest(SimpleTestCase):
         """
         With HSTS_SECONDS non-zero and HSTS_INCLUDE_SUBDOMAINS
         True, the middleware adds a "strict-transport-security" header with the
-        "includeSubDomains" tag to the response.
+        "includeSubDomains" directive to the response.
         """
         response = self.process_response(secure=True)
         self.assertEqual(response["strict-transport-security"], "max-age=600; includeSubDomains")
@@ -94,7 +94,7 @@ class SecurityMiddlewareTest(SimpleTestCase):
         """
         With HSTS_SECONDS non-zero and HSTS_INCLUDE_SUBDOMAINS
         False, the middleware adds a "strict-transport-security" header without
-        the "includeSubDomains" tag to the response.
+        the "includeSubDomains" directive to the response.
         """
         response = self.process_response(secure=True)
         self.assertEqual(response["strict-transport-security"], "max-age=600")