Updated links from http to https in guides, docs, etc

1 files changed, 1 insertions, 1 deletions

diff --git a/guides/source/caching_with_rails.md b/guides/source/caching_with_rails.md
index 56c0ca78a0..f6612ba338 100644
--- a/guides/source/caching_with_rails.md
+++ b/guides/source/caching_with_rails.md
@@ -63,7 +63,7 @@ INFO: Page Caching has been removed from Rails 4. See the [actionpack-page_cachi
 
 Page Caching cannot be used for actions that have before filters - for example, pages that require authentication. This is where Action Caching comes in. Action Caching works like Page Caching except the incoming web request hits the Rails stack so that before filters can be run on it before the cache is served. This allows authentication and other restrictions to be run while still serving the result of the output from a cached copy.
 
-INFO: Action Caching has been removed from Rails 4. See the [actionpack-action_caching gem](https://github.com/rails/actionpack-action_caching). See [DHH's key-based cache expiration overview](http://signalvnoise.com/posts/3113-how-key-based-cache-expiration-works) for the newly-preferred method.
+INFO: Action Caching has been removed from Rails 4. See the [actionpack-action_caching gem](https://github.com/rails/actionpack-action_caching). See [DHH's key-based cache expiration overview](https://signalvnoise.com/posts/3113-how-key-based-cache-expiration-works) for the newly-preferred method.
 
 ### Fragment Caching