diff --git a/django/core/servers/basehttp.py b/django/core/servers/basehttp.py
index 38acc987ed..c663fd968d 100644
--- a/django/core/servers/basehttp.py
+++ b/django/core/servers/basehttp.py
@@ -129,7 +129,7 @@ class WSGIRequestHandler(simple_server.WSGIRequestHandler, object):
         elif args[1][0] == '4':
             # 0x16 = Handshake, 0x03 = SSL 3.0 or TLS 1.x
             if args[0].startswith(str('\x16\x03')):
-                msg = ("You're accessing the developement server over HTTPS, "
+                msg = ("You're accessing the development server over HTTPS, "
                     "but it only supports HTTP.\n")
             msg = self.style.HTTP_BAD_REQUEST(msg)
         else:
diff --git a/tests/servers/test_basehttp.py b/tests/servers/test_basehttp.py
index 7352adf287..2f59b1358a 100644
--- a/tests/servers/test_basehttp.py
+++ b/tests/servers/test_basehttp.py
@@ -21,7 +21,7 @@ class WSGIRequestHandlerTestCase(TestCase):
         with captured_stderr() as stderr:
             handler.log_message("GET %s %s", str('\x16\x03'), "4")
             self.assertIn(
-                "You're accessing the developement server over HTTPS, "
+                "You're accessing the development server over HTTPS, "
                 "but it only supports HTTP.",
                 stderr.getvalue()
             )