Make the log message more translation-friendly

2 files changed, 8 insertions, 4 deletions

diff --git a/sphinx/application.py b/sphinx/application.py
index 35110c0cd..227c1fb54 100644
--- a/sphinx/application.py
+++ b/sphinx/application.py
@@ -687,8 +687,10 @@ class Sphinx(object):
         """
         if typ == 'read':
             attrname = 'parallel_read_safe'
+            gerund_typ = __("reading")
         elif typ == 'write':
             attrname = 'parallel_write_safe'
+            gerund_typ = __("writing")
         else:
             raise ValueError('parallel type %s is not supported' % typ)
 
@@ -696,9 +698,9 @@ class Sphinx(object):
             allowed = getattr(ext, attrname, None)
             if allowed is None:
                 logger.warning(__("the %s extension does not declare if it is safe "
-                                  "for parallel %sing, assuming it isn't - please "
+                                  "for parallel %s, assuming it isn't - please "
                                   "ask the extension author to check and make it "
-                                  "explicit"), ext.name, typ)
+                                  "explicit"), ext.name, gerund_typ)
                 logger.warning('doing serial %s', typ)
                 return False
             elif not allowed:
diff --git a/tests/test_application.py b/tests/test_application.py
index 12b6bbe60..c4c2e579b 100644
--- a/tests/test_application.py
+++ b/tests/test_application.py
@@ -106,7 +106,8 @@ def test_add_is_parallel_allowed(app, status, warning):
     app.setup_extension('write_parallel')
     assert app.is_parallel_allowed('read') is False
     assert app.is_parallel_allowed('write') is True
-    assert 'the write_parallel extension does not declare' in warning.getvalue()
+    assert ("the write_parallel extension does not declare if it is safe "
+            "for parallel reading, assuming it isn't - please ") in warning.getvalue()
     app.extensions.pop('write_parallel')
     warning.truncate(0)  # reset warnings
 
@@ -119,6 +120,7 @@ def test_add_is_parallel_allowed(app, status, warning):
     app.setup_extension('write_serial')
     assert app.is_parallel_allowed('read') is False
     assert app.is_parallel_allowed('write') is False
-    assert 'the write_serial extension does not declare' in warning.getvalue()
+    assert ("the write_serial extension does not declare if it is safe "
+            "for parallel reading, assuming it isn't - please ") in warning.getvalue()
     app.extensions.pop('write_serial')
     warning.truncate(0)  # reset warnings