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Diffstat (limited to 'guides/source/action_controller_overview.md')
| -rw-r--r-- | guides/source/action_controller_overview.md | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/guides/source/action_controller_overview.md b/guides/source/action_controller_overview.md index 7d95d4792e..d506722f75 100644 --- a/guides/source/action_controller_overview.md +++ b/guides/source/action_controller_overview.md @@ -185,7 +185,9 @@ end These options will be used as a starting point when generating URLs, so it's possible they'll be overridden by the options passed to `url_for` calls. -If you define `default_url_options` in `ApplicationController`, as in the example above, it will be used for all URL generation. The method can also be defined in a specific controller, in which case it only affects URLs generated there. +If you define `default_url_options` in `ApplicationController`, as in the example above, these defaults will be used for all URL generation. The method can also be defined in a specific controller, in which case it only affects URLs generated there. + +In a given request, the method is not actually called for every single generated URL; for performance reasons, the returned hash is cached, there is at most one invocation per request. ### Strong Parameters |