fix rubymine copy/paste spaces

Author: Nicholas Stuart

guides/source/caching_with_rails.md

@@ -524,16 +524,16 @@ A more complex, production Redis cache store may look something like this:
 cache_servers = %w(redis://cache-01:6379/0 redis://cache-02:6379/0)
 config.cache_store = :redis_cache_store, { url: cache_servers,
 
-                                           connect_timeout:    30,  # Defaults to 20 seconds
-                                           read_timeout:       0.2, # Defaults to 1 second
-                                           write_timeout:      0.2, # Defaults to 1 second
-                                           reconnect_attempts: 1,   # Defaults to 0
-
-                                           error_handler: -> (method:, returning:, exception:) {
-                                             # Report errors to Sentry as warnings
-                                             Raven.capture_exception exception, level: 'warning',
-                                                                     tags: { method: method, returning: returning }
-                                           }
+  connect_timeout:    30,  # Defaults to 20 seconds
+  read_timeout:       0.2, # Defaults to 1 second
+  write_timeout:      0.2, # Defaults to 1 second
+  reconnect_attempts: 1,   # Defaults to 0
+
+  error_handler: -> (method:, returning:, exception:) {
+    # Report errors to Sentry as warnings
+    Raven.capture_exception exception, level: 'warning',
+      tags: { method: method, returning: returning }
+  }
 }
 ```
 
@@ -709,4 +709,3 @@ References
 
 * [DHH's article on key-based expiration](https://signalvnoise.com/posts/3113-how-key-based-cache-expiration-works)
 * [Ryan Bates' Railscast on cache digests](http://railscasts.com/episodes/387-cache-digests)
-