Issue #27416: clarify copy doc
Patch written by R. David Murray.
diff --git a/Doc/library/copy.rst b/Doc/library/copy.rst
index a8adcad..d0b861d 100644
--- a/Doc/library/copy.rst
+++ b/Doc/library/copy.rst
@@ -48,7 +48,7 @@
reference to themselves) may cause a recursive loop.
* Because deep copy copies *everything* it may copy too much, e.g.,
- administrative data structures that should be shared even between copies.
+ even administrative data structures that should be shared even between copies.
The :func:`deepcopy` function avoids these problems by: