diff --git a/slidesets/Hamming28.pptx b/slidesets/Hamming28.pptx
index 8a2b5025c8cd837d41f94e9a1494f0a39eb0a294..babf9869ddb9d355b334b30bb1570b734b738930 100644
Binary files a/slidesets/Hamming28.pptx and b/slidesets/Hamming28.pptx differ