diff --git a/constantdict/py.typed b/constantdict/py.typed
new file mode 100644
index 0000000..e69de29
diff --git a/doc/dict_performance_large.png b/doc/dict_performance_large.png
index e2ce711..1eb279d 100644
Binary files a/doc/dict_performance_large.png and b/doc/dict_performance_large.png differ
diff --git a/doc/dict_performance_small.png b/doc/dict_performance_small.png
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diff --git a/doc/speed.rst b/doc/speed.rst
index b9aa070..cd6711b 100644
--- a/doc/speed.rst
+++ b/doc/speed.rst
@@ -1,12 +1,20 @@
 Speed comparison of dict implementations
 ========================================
 
-These results were generated with:
+Code
+****
+
+These results were generated with the following code:
 
 .. literalinclude:: ../examples/speed.py
    :language: python
 
 
+Results
+*******
+
+Results (total time of 10,0000 executions) for Python 3.11 on a Mac M1:
+
 .. image:: dict_performance_small.png
     :width: 90%
     :alt: dict performance small