diff --git a/_pytest/skipping.py b/_pytest/skipping.py
index 07359b5c2..55a24ddb9 100644
--- a/_pytest/skipping.py
+++ b/_pytest/skipping.py
@@ -43,13 +43,13 @@ def pytest_configure(config):
         "http://pytest.org/latest/skipping.html"
     )
     config.addinivalue_line("markers",
-        "xfail(condition, reason=None, run=True, raises=None): mark the the test function "
-        "as an expected failure if eval(condition) has a True value. "
-        "Optionally specify a reason for better reporting and run=False if "
-        "you don't even want to execute the test function. If only specific "
-        "exception(s) are expected, you can list them in raises, and if the test fails "
-        "in other ways, it will be reported as a true failure. "
-        "See http://pytest.org/latest/skipping.html"
+        "xfail(condition, reason=None, run=True, raises=None, strict=False): "
+        "mark the the test function as an expected failure if eval(condition) "
+        "has a True value. Optionally specify a reason for better reporting "
+        "and run=False if you don't even want to execute the test function. "
+        "If only specific exception(s) are expected, you can list them in "
+        "raises, and if the test fails in other ways, it will be reported as "
+        "a true failure. See http://pytest.org/latest/skipping.html"
     )
 
 
diff --git a/testing/test_skipping.py b/testing/test_skipping.py
index b872c8b6e..194c8692b 100644
--- a/testing/test_skipping.py
+++ b/testing/test_skipping.py
@@ -825,7 +825,7 @@ def test_default_markers(testdir):
     result = testdir.runpytest("--markers")
     result.stdout.fnmatch_lines([
         "*skipif(*condition)*skip*",
-        "*xfail(*condition, reason=None, run=True, raises=None)*expected failure*",
+        "*xfail(*condition, reason=None, run=True, raises=None, strict=False)*expected failure*",
     ])
 
 def test_xfail_test_setup_exception(testdir):