Update src/array_api_extra/testing.py

Co-authored-by: Lucas Colley <lucas.colley8@gmail.com>

Author: crusaderky

src/array_api_extra/testing.py

@@ -120,7 +120,7 @@ def test_myfunc(xp):
     Notes
     -----
     In order for this tag to be effective, the test function must be imported into the
-    test module globals without namespace; alternatively its namespace must be declared
+    test module globals without its namespace; alternatively its namespace must be declared
     in a ``lazy_xp_modules`` list in the test module globals.
 
     Example 1::