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-rw-r--r--Doc/library/functools.rst6
1 files changed, 3 insertions, 3 deletions
diff --git a/Doc/library/functools.rst b/Doc/library/functools.rst
index a8fc856..5b65874 100644
--- a/Doc/library/functools.rst
+++ b/Doc/library/functools.rst
@@ -72,10 +72,10 @@ The :mod:`functools` module defines the following functions:
A `LRU (least recently used) cache
<http://en.wikipedia.org/wiki/Cache_algorithms#Least_Recently_Used>`_
- is indicated when the pattern of calls changes over time, such as
- when more recent calls are the best predictors of upcoming calls
+ works best when more recent calls are the best predictors of upcoming calls
(for example, the most popular articles on a news server tend to
- change every day).
+ change each day). The cache's size limit assurs that caching does not
+ grow without bound on long-running processes such as web servers.
.. versionadded:: 3.2