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-rw-r--r--docs/ref/settings.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/docs/ref/settings.txt b/docs/ref/settings.txt
index 27bc2274dc..f01ce3c7fd 100644
--- a/docs/ref/settings.txt
+++ b/docs/ref/settings.txt
@@ -255,6 +255,10 @@ Default: 300
The number of seconds before a cache entry is considered stale.
+.. versionadded:: 1.7
+
+If the value of this settings is ``None``, cache entries will not expire.
+
.. setting:: CACHES-VERSION
VERSION