diff --git a/slidesets/Hamming04.pptx b/slidesets/Hamming04.pptx
index 8c2b93bed5e4e4db3fb516cd232fd8ab3662aa58..944183721872d1b56133de56403bab3cae88b572 100644
Binary files a/slidesets/Hamming04.pptx and b/slidesets/Hamming04.pptx differ