diff --git a/tests/check_docstring_first_test.py b/tests/check_docstring_first_test.py
index 079896f..8bafae8 100644
--- a/tests/check_docstring_first_test.py
+++ b/tests/check_docstring_first_test.py
@@ -17,7 +17,7 @@
         b'from __future__ import unicode_literals\n'
         b'"foo"\n',
         1,
-        '{filename}:2 Module docstring appears after code '
+        '{filename}:2: Module docstring appears after code '
         '(code seen on line 1).\n',
     ),
     # Test double docstring
@@ -26,7 +26,7 @@
         b'from __future__ import absolute_import\n'
         b'"fake docstring"\n',
         1,
-        '{filename}:3 Multiple module docstrings '
+        '{filename}:3: Multiple module docstrings '
         '(first docstring on line 1).\n',
     ),
     # Test multiple lines of code above
@@ -35,7 +35,7 @@
         b'import sys\n'
         b'"docstring"\n',
         1,
-        '{filename}:3 Module docstring appears after code '
+        '{filename}:3: Module docstring appears after code '
         '(code seen on line 1).\n',
     ),
     # String literals in expressions are ok.