Mistake in docs/index.txt:

SOUTH_MIGRATIONS_MODULES should be SOUTH_MIGRATION_MODULES

docs/index.txt

@@ -18,7 +18,7 @@ tagging to your project easy and fun.
    Since version 0.12.0 taggit uses Django migrations by default. South users
    Since version 0.12.0 taggit uses Django migrations by default. South users
    have to adjust their settings::
    have to adjust their settings::
 
 
-      SOUTH_MIGRATIONS_MODULES = {
+      SOUTH_MIGRATION_MODULES = {
           'taggit': 'taggit.south_migrations',
           'taggit': 'taggit.south_migrations',
       }
       }