Fix #118: Improve documentation regarding thread safety.

1 files changed, 4 insertions, 4 deletions

diff --git a/docs/index.rst b/docs/index.rst
index 38259c2..b56ecc2 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -53,10 +53,10 @@ of one argument used to retrieve the size of an item's value.
 
 .. note::
 
-   Please be aware that :class:`Cache` and its subclasses are *not*
-   thread-safe.  Access to a shared cache from multiple threads must
-   be properly synchronized, e.g. by using one of the memoizing
-   decorators with a suitable `lock` object.
+   Please be aware that all these classes are *not* thread-safe.
+   Access to a shared cache from multiple threads must be properly
+   synchronized, e.g. by using one of the memoizing decorators with a
+   suitable `lock` object.
 
 .. autoclass:: Cache(maxsize, getsizeof=None)
    :members: