Update fixture.rst

cmaurer · web-flow · commit 69ea076d55b2 · 2021-04-28T07:01:45.000-05:00
Availability was misspelled.  It was `availabiility`
diff --git a/doc/en/fixture.rst b/doc/en/fixture.rst
@@ -1124,7 +1124,7 @@ never have been made.
 .. _`conftest.py`:
 .. _`conftest`:
 
-Fixture availabiility
+Fixture availability
 ---------------------
 
 Fixture availability is determined from the perspective of the test. A fixture
