diff --git a/7-Approximate_string_matching/7-CM-Approximate_string_matching.pdf b/7-Approximate_string_matching/7-CM-Approximate_string_matching.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..d77e4189e4403f6df70e5fdd65942b850e4edfc2
Binary files /dev/null and b/7-Approximate_string_matching/7-CM-Approximate_string_matching.pdf differ