diff --git a/papers/books/Digital_Forensics_Introduction.pdf b/papers/books/Digital_Forensics_Introduction.pdf
index ef7dd17..45ffa5b 100644
Binary files a/papers/books/Digital_Forensics_Introduction.pdf and b/papers/books/Digital_Forensics_Introduction.pdf differ
diff --git a/papers/books/password.txt b/papers/books/password.txt
index b0e23e8..c7dafca 100644
--- a/papers/books/password.txt
+++ b/papers/books/password.txt
@@ -1 +1,4 @@
-email fxu at ubalt.edu for password
\ No newline at end of file
+email fxu at ubalt.edu for password.
+
+1. You need to be a faculty member
+2. You name, position, school, your school website 
\ No newline at end of file