Fix spelling unkown -> unknown.

Author: gregmuellegger

readthedocs/builds/version_slug.py

@@ -41,7 +41,7 @@ class VersionSlugField(models.CharField):
     allowed_punctuation = '-._'
     allowed_chars = string.lowercase + string.digits + allowed_punctuation
     placeholder = '-'
-    fallback_slug = 'unkown'
+    fallback_slug = 'unknown'
     test_pattern = re.compile('^{pattern}$'.format(pattern=VERSION_SLUG_REGEX))
 
     def __init__(self, *args, **kwargs):

readthedocs/rtd_tests/tests/test_version_slug.py

@@ -39,18 +39,18 @@ def test_placeholder_as_name(self):
         version = Version.objects.create(
             verbose_name='-',
             project=self.pip)
-        self.assertEqual(version.slug, 'unkown')
+        self.assertEqual(version.slug, 'unknown')
 
     def test_multiple_empty_names(self):
         version = Version.objects.create(
             verbose_name='-',
             project=self.pip)
-        self.assertEqual(version.slug, 'unkown')
+        self.assertEqual(version.slug, 'unknown')
 
         version = Version.objects.create(
             verbose_name='-./.-',
             project=self.pip)
-        self.assertEqual(version.slug, 'unkown_a')
+        self.assertEqual(version.slug, 'unknown_a')
 
     def test_uniqueness(self):
         version = Version.objects.create(