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-rw-r--r--user_guide_src/source/general/caching.rst3
1 files changed, 3 insertions, 0 deletions
diff --git a/user_guide_src/source/general/caching.rst b/user_guide_src/source/general/caching.rst
index 48385d6c9..f499f6e93 100644
--- a/user_guide_src/source/general/caching.rst
+++ b/user_guide_src/source/general/caching.rst
@@ -45,6 +45,9 @@ you. Once the tag is in place, your pages will begin being cached.
caching will only work if you are generating display for your
controller with a :doc:`view <./views>`.
+.. important:: If you change configuration options that might affect
+ your output, you have to manually delete your cache files.
+
.. note:: Before the cache files can be written you must set the file
permissions on your *application/cache/* directory such that
it is writable.