peekleft: fix docstr typo (grantjenks#132)

mayli · grantjenks · commit b0451e084ea4 · 2019-11-20T14:11:10.000-08:00
diff --git a/diskcache/persistent.py b/diskcache/persistent.py
@@ -442,7 +442,7 @@ def peek(self):
 
 
     def peekleft(self):
-        """Peek at value at back of deque.
+        """Peek at value at front of deque.
 
         Faster than indexing deque at 0.
 
