Doc: Fix Wikipedia link for functools.lru_cache (GH-16183)

(cherry picked from commit 336b3064d8981bc7f76c5cc6f6a0527df69771d6)

Co-authored-by: amist <amistern0@gmail.com>
diff --git a/Lib/functools.py b/Lib/functools.py
index a674a68..b41dea7 100644
--- a/Lib/functools.py
+++ b/Lib/functools.py
@@ -499,7 +499,7 @@
     with f.cache_info().  Clear the cache and statistics with f.cache_clear().
     Access the underlying function with f.__wrapped__.
 
-    See:  http://en.wikipedia.org/wiki/Cache_algorithms#Least_Recently_Used
+    See:  http://en.wikipedia.org/wiki/Cache_replacement_policies#Least_recently_used_(LRU)
 
     """