diff --git a/shamwow.rb b/shamwow.rb
index b3185f5..d1a9868 100644
--- a/shamwow.rb
+++ b/shamwow.rb
@@ -74,6 +74,7 @@ def sha2(message)
       s1 = ror(e, 6) ^ ror(e, 11) ^ ror(e, 25)
       ch = (e & f) ^ (~(e) & g)
       temp1 = (h + s1 + ch + k[word] + m[word]) & 0xFFFFFFFF
+
       s0 = ror(a, 2) ^ ror(a, 13) ^ ror(a, 22)
       maj = (a & b) ^ (a & c) ^ (b & c)
       temp2 = (s0 + maj) & 0xFFFFFFFF
diff --git a/slides-with-notes.pdf b/slides-with-notes.pdf
new file mode 100644
index 0000000..9271af1
Binary files /dev/null and b/slides-with-notes.pdf differ
diff --git a/slides.key b/slides.key
new file mode 100644
index 0000000..7388326
Binary files /dev/null and b/slides.key differ
diff --git a/slides.pdf b/slides.pdf
new file mode 100644
index 0000000..e97f4d6
Binary files /dev/null and b/slides.pdf differ