Mention CELERY_DEFAULT_RATE_LIMIT in configuration docs. Thanks to kmike! Closes #77

docs/configuration.rst

@@ -358,6 +358,14 @@ Task execution settings
 
     Default is ``pickle``.
 
+* CELERY_DEFAULT_RATE_LIMIT
+
+  The global default rate limit for tasks.
+
+  This value is used for tasks that does not have a custom rate limit
+  The default is no rate limit.
+
+
 Worker: celeryd
 ===============
 

docs/userguide/tasks.rst

@@ -195,8 +195,8 @@ Task options
   The rate limits can be specified in seconds, minutes or hours
   by appending ``"/s"``, ``"/m"`` or "``/h"``" to the value.
   Example: ``"100/m" (hundred tasks a
-  minute). Default is the ``CELERY_DEFAULT_RATE_LIMIT`` setting (which
-  is off if not specified).
+  minute). Default is the ``CELERY_DEFAULT_RATE_LIMIT`` setting, which if not
+  specified means rate limiting for tasks is turned off by default.
 
 * ignore_result